se},"sourceToolAssistantUUID":"269309b3-3fab-4e37-bc45-3797d39588d8"}
{"parentUuid":"70449fb2-37d7-4421-8ee9-740aad8edf7c","isSidechain":false,"userType":"external","cwd":"/home/josie/development/personal/josiedot/place","sessionId":"36b028ca-0061-42de-a310-f77ba55fdd8d","version":"2.1.25","gitBranch":"main","slug":"harmonic-skipping-rainbow","message":{"model":"claude-opus-4-5-20251101","id":"msg_01KUdpssghWmVa7xqtSG5zbP","type":"message","role":"assistant","content":[{"type":"thinking","thinking":"Now update the OAuthState.new calls to pass is_native. First for Misskey:","signature":"EvEBCkYICxgCKkCQ3cdutATz63XiyAooLD/flfdtUzXqffxionNCuVdpLXsjIJktDPhnNDEm6xmyq0Im/+p/GOdcYq1xsZXZa/bOEgweEztuidZhU3nG7YwaDPR7bfFBYaYmiHBG4CIw1m+6VUMCtmU+e8/MX0pl0NVxDXX/5ZOECKm5eiz5xdgBkU2xyUmhxvBd6llNVg/JKlnUjtsToYO8oDkLJeLIRp5H7Rhst/2b+9XXrOrJsObbHETlXdSZlRPV72jgOXfR5VcqSVDtThmKlNsfRe1onUaCKnMIJFkeFGiGMu0oFBPoTQmxx8IIecKyahgB"}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":8,"cache_creation_input_tokens":521,"cache_read_input_tokens":63720,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":521},"output_tokens":4,"service_tier":"standard"}},"requestId":"req_011CXdnq3yuqPKPA7b15Zc7D","type":"assistant","uuid":"95fd1dd6-188b-4db9-b60d-d0116846172f","timestamp":"2026-01-30T15:22:09.192Z"}
{"parentUuid":"95fd1dd6-188b-4db9-b60d-d0116846172f","isSidechain":false,"userType":"external","cwd":"/home/josie/development/personal/josiedot/place","sessionId":"36b028ca-0061-42de-a310-f77ba55fdd8d","version":"2.1.25","gitBranch":"main","slug":"harmonic-skipping-rainbow","message":{"model":"claude-opus-4-5-20251101","id":"msg_01KUdpssghWmVa7xqtSG5zbP","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_016gvbpKwxqi3AG7933evS6R","name":"Edit","input":{"replace_all":false,"file_path":"/home/josie/development/personal/josiedot/place/backend/src/location_server.cr","old_string":"        # Store session_id in code_verifier field (reusing existing schema)\n        oauth_state = MastodonOAuth::OAuthState.new(state, instance, session_id, instance_type)\n        ACTOR_STORE.save_oauth_state(oauth_state)","new_string":"        # Store session_id in code_verifier field (reusing existing schema)\n        oauth_state = MastodonOAuth::OAuthState.new(state, instance, session_id, instance_type, is_native)\n        ACTOR_STORE.save_oauth_state(oauth_state)"}}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":8,"cache_creation_input_tokens":521,"cache_read_input_tokens":63720,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":521},"output_tokens":4,"service_tier":"standard"}},"requestId":"req_011CXdnq3yuqPKPA7b15Zc7D","type":"assistant","uuid":"011593e1-6264-429d-ae8e-80bec77209b9","timestamp":"2026-01-30T15:22:10.799Z"}
{"parentUuid":"011593e1-6264-429d-ae8e-80bec77209b9","isSidechain":false,"userType":"external","cwd":"/home/josie/development/personal/josiedot/place","sessionId":"36b028ca-0061-42de-a310-f77ba55fdd8d","version":"2.1.25","gitBranch":"main","slug":"harmonic-skipping-rainbow","type":"progress","data":{"type":"hook_progress","hookEvent":"PreToolUse","hookName":"PreToolUse:Edit","command":"python3 ${CLAUDE_PLUGIN_ROOT}/hooks/pretooluse.py"},"toolUseID":"toolu_016gvbpKwxqi3AG7933evS6R","parentToolUseID":"toolu_016gvbpKwxqi3AG7933evS6R","uuid":"e3b47874-9c65-4ce1-995b-e8024637b701","timestamp":"2026-01-30T15:22:10.801Z"}
{"parentUuid":"e3b47874-9c65-4ce1-995b-e8024637b701","isSidechain":false,"userType":"external","cwd":"/home/josie/development/personal/josiedot/place","sessionId":"36b028ca-0061-42de-a310-f77ba55fdd8d","version":"2.1.25","gitBranch":"main","slug":"harmonic-skipping-rainbow","type":"progress","data":{"type":"hook_progress","hookEvent":"PostToolUse","hookName":"PostToolUse:Edit","command":"python3 ${CLAUDE_PLUGIN_ROOT}/hooks/posttooluse.py"},"parentToolUseID":"toolu_016gvbpKwxqi3AG7933evS6R","toolUseID":"toolu_016gvbpKwxqi3AG7933evS6R","timestamp":"2026-01-30T15:22:17.764Z","uuid":"0267c689-a0c8-4a59-979d-08be7b85fcd8"}
{"parentUuid":"011593e1-6264-429d-ae8e-80bec77209b9","isSidechain":false,"userType":"external","cwd":"/home/josie/development/personal/josiedot/place","sessionId":"36b028ca-0061-42de-a310-f77ba55fdd8d","version":"2.1.25","gitBranch":"main","slug":"harmonic-skipping-rainbow","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_016gvbpKwxqi3AG7933evS6R","type":"tool_result","content":"The file /home/josie/development/personal/josiedot/place/backend/src/location_server.cr has been updated successfully."}]},"uuid":"64996d46-c7c8-48ad-99b7-313f610c2929","timestamp":"2026-01-30T15:22:17.762Z","toolUseResult":{"filePath":"/home/josie/development/personal/josiedot/place/backend/src/location_server.cr","oldString":"        # Store session_id in code_verifier field (reusing existing schema)\n        oauth_state = MastodonOAuth::OAuthState.new(state, instance, session_id, instance_type)\n        ACTOR_STORE.save_oauth_state(oauth_state)","newString":"        # Store session_id in code_verifier field (reusing existing schema)\n        oauth_state = MastodonOAuth::OAuthState.new(state, instance, session_id, instance_type, is_native)\n        ACTOR_STORE.save_oauth_state(oauth_state)","originalFile":"require \"http/server\"\nrequire \"json\"\nrequire \"random/secure\"\nrequire \"sqlite3\"\n\nrequire \"./models/actor\"\nrequire \"./models/follow\"\nrequire \"./models/activity\"\nrequire \"./models/list\"\nrequire \"./stores/actor_store\"\nrequire \"./stores/follow_store\"\nrequire \"./lib/http_signature\"\nrequire \"./lib/federation\"\nrequire \"./lib/mastodon_oauth\"\n\n# Configuration\nDOMAIN       = ENV[\"DOMAIN\"]? || \"josie.place\"\nAPI_BASE_URL = ENV[\"API_BASE_URL\"]? || \"https://live-api.#{DOMAIN}\"\nDB_PATH      = ENV[\"DB_PATH\"]? || \"./data/josieplace.db\"\nINVITE_CODES = (ENV[\"INVITE_CODES\"]? || \"\").split(\",\").map(&.strip).reject(&.empty?)\n\n# Content types\nCT_JSON        = \"application/json\"\nCT_ACTIVITYPUB = \"application/activity+json\"\nCT_JRD         = \"application/jrd+json\"\n\n# Initialize stores\nDir.mkdir_p(File.dirname(DB_PATH)) rescue nil\nACTOR_STORE    = ActorStore.new(DB_PATH)\nFOLLOW_STORE   = FollowStore.new(ACTOR_STORE.@db)\nDELIVERY_QUEUE = Federation::DeliveryQueue.new\n\n# Seed invite codes from env\nINVITE_CODES.each do |code|\n  ACTOR_STORE.create_invite(code) rescue nil\nend\n\n# Location and Session (existing)\n\nstruct Location\n  include JSON::Serializable\n\n  property lat : Float64\n  property lng : Float64\n  property accuracy : Float64\n  property speed : Float64?\n  property heading : Float64?\n  property timestamp : Time\n  property active : Bool\n  property expires : Time?\n\n  def initialize(@lat, @lng, @accuracy, @speed = nil, @heading = nil, @timestamp = Time.utc, @active = true, @expires = nil)\n  end\nend\n\nenum SessionVisibility\n  Public\n  FollowersOnly\n  Unlisted\nend\n\nclass Session\n  property id : String\n  property location : Location?\n  property clients : Array(Channel(Location))\n  property remote_subscribers : Array(String)\n  property created_at : Time\n  property last_update : Time\n  property active : Bool\n  property owner_id : String?\n  property visibility : SessionVisibility\n  property list_ids : Array(String)\n  property last_broadcast_times : Hash(String, Time)  # remote_actor_url => last broadcast time\n\n  def initialize(@id, @owner_id = nil, @visibility = SessionVisibility::Public, @list_ids = [] of String)\n    @location = nil\n    @clients = [] of Channel(Location)\n    @remote_subscribers = [] of String\n    @created_at = Time.utc\n    @last_update = Time.utc\n    @active = true\n    @mutex = Mutex.new\n    @list_ids = list_ids\n    @last_broadcast_times = {} of String => Time\n  end\n\n  def update(loc : Location)\n    @mutex.synchronize do\n      @location = loc\n      @last_update = Time.utc\n      @active = true\n    end\n    broadcast(loc)\n    notify_remote_subscribers(loc)\n    broadcast_to_lists(loc)\n  end\n\n  def get : Location?\n    @mutex.synchronize { @location }\n  end\n\n  def set_inactive\n    @mutex.synchronize do\n      @active = false\n      if loc = @location\n        @location = Location.new(\n          lat: loc.lat, lng: loc.lng, accuracy: loc.accuracy,\n          speed: loc.speed, heading: loc.heading,\n          timestamp: loc.timestamp, active: false\n        )\n      end\n    end\n    if loc = get\n      broadcast(loc)\n      notify_remote_subscribers(loc)\n    end\n  end\n\n  def subscribe : Channel(Location)\n    ch = Channel(Location).new(10)\n    @mutex.synchronize { @clients << ch }\n    ch\n  end\n\n  def unsubscribe(ch : Channel(Location))\n    @mutex.synchronize { @clients.delete(ch) }\n    ch.close rescue nil\n  end\n\n  def add_remote_subscriber(inbox_url : String)\n    @mutex.synchronize do\n      @remote_subscribers << inbox_url unless @remote_subscribers.includes?(inbox_url)\n    end\n  end\n\n  def remove_remote_subscriber(inbox_url : String)\n    @mutex.synchronize { @remote_subscribers.delete(inbox_url) }\n  end\n\n  def expired? : Bool\n    (Time.utc - @last_update) > 30.minutes\n  end\n\n  private def broadcast(loc : Location)\n    clients_copy = @mutex.synchronize { @clients.dup }\n    clients_copy.each { |ch| ch.send(loc) rescue nil }\n  end\n\n  private def notify_remote_subscribers(loc : Location)\n    return unless owner_id = @owner_id\n    owner = ACTOR_STORE.find_by_id(owner_id)\n    return unless owner && owner.local?\n\n    subscribers = @mutex.synchronize { @remote_subscribers.dup }\n    return if subscribers.empty?\n\n    location_data = {\n      lat:       loc.lat,\n      lng:       loc.lng,\n      accuracy:  loc.accuracy,\n      speed:     loc.speed,\n      heading:   loc.heading,\n      timestamp: loc.timestamp,\n      expires:   loc.expires,\n    }\n\n    activity = ActivityBuilder.create_place_update(\n      owner.id,\n      @id,\n      location_data,\n      subscribers\n    )\n\n    subscribers.each do |inbox_url|\n      DELIVERY_QUEUE.enqueue(inbox_url, activity, owner)\n    end\n  end\n\n  # Broadcast location to list members with symmetric relationships\n  def broadcast_to_lists(loc : Location)\n    return unless owner_id = @owner_id\n    owner = ACTOR_STORE.find_by_id(owner_id)\n    return unless owner && owner.local?\n\n    list_ids_copy = @mutex.synchronize { @list_ids.dup }\n    return if list_ids_copy.empty?\n\n    # Get all shareable actors (symmetric relationship exists)\n    shareable = ACTOR_STORE.get_shareable_actors(owner_id, list_ids_copy)\n    return if shareable.empty?\n\n    now = Time.utc\n\n    shareable.each do |remote_actor_url, remote_acct, interval_seconds, accuracy|\n      # Check throttling\n      last_time = @mutex.synchronize { @last_broadcast_times[remote_actor_url]? }\n      if last_time && (now - last_time).total_seconds < interval_seconds\n        next  # Skip, not enough time has passed\n      end\n\n      # Apply accuracy fuzzing\n      fuzzed_lat, fuzzed_lng = accuracy.fuzz_location(loc.lat, loc.lng)\n\n      # Get remote actor's inbox\n      remote_actor = ACTOR_STORE.find_by_id(remote_actor_url)\n      unless remote_actor\n        # Try to fetch and cache\n        remote_actor = Federation.fetch_actor(remote_actor_url, owner)\n        ACTOR_STORE.upsert_remote(remote_actor) if remote_actor\n      end\n      next unless remote_actor\n\n      # Build location update activity\n      activity = JSON.build do |json|\n        json.object do\n          json.field \"@context\", [\"https://www.w3.org/ns/activitystreams\", {\n            \"Place\" => \"https://www.w3.org/ns/activitystreams#Place\",\n            \"latitude\" => \"https://www.w3.org/ns/activitystreams#latitude\",\n            \"longitude\" => \"https://www.w3.org/ns/activitystreams#longitude\",\n            \"accuracy\" => \"https://www.w3.org/ns/activitystreams#accuracy\",\n          }]\n          json.field \"id\", \"https://#{DOMAIN}/activities/#{Random::Secure.hex(16)}\"\n          json.field \"type\", \"Update\"\n          json.field \"actor\", owner.id\n          json.field \"published\", now.to_rfc3339\n          json.field \"to\", [remote_actor_url]\n          json.field \"object\" do\n            json.object do\n              json.field \"type\", \"Place\"\n              json.field \"name\", \"Current Location\"\n              json.field \"latitude\", fuzzed_lat\n              json.field \"longitude\", fuzzed_lng\n              json.field \"accuracy\", loc.accuracy if accuracy == LocationAccuracy::Exact\n              json.field \"speed\", loc.speed if loc.speed && accuracy == LocationAccuracy::Exact\n              json.field \"heading\", loc.heading if loc.heading && accuracy == LocationAccuracy::Exact\n              json.field \"updated\", now.to_rfc3339\n            end\n          end\n        end\n      end\n\n      # Queue delivery\n      DELIVERY_QUEUE.enqueue(remote_actor.inbox, activity, owner)\n\n      # Update last broadcast time\n      @mutex.synchronize { @last_broadcast_times[remote_actor_url] = now }\n    end\n  end\nend\n\nclass SessionStore\n  def initialize\n    @sessions = {} of String => Session\n    @mutex = Mutex.new\n    start_cleanup\n  end\n\n  def create(owner_id : String? = nil, visibility : SessionVisibility = SessionVisibility::Public, list_ids : Array(String) = [] of String) : Session\n    id = generate_id\n    session = Session.new(id, owner_id, visibility, list_ids)\n    @mutex.synchronize { @sessions[id] = session }\n    session\n  end\n\n  def get(id : String) : Session?\n    @mutex.synchronize { @sessions[id]? }\n  end\n\n  def delete(id : String)\n    @mutex.synchronize do\n      if session = @sessions.delete(id)\n        session.set_inactive\n      end\n    end\n  end\n\n  def find_by_owner(owner_id : String) : Array(Session)\n    @mutex.synchronize do\n      @sessions.values.select { |s| s.owner_id == owner_id && s.active }\n    end\n  end\n\n  private def generate_id : String\n    bytes = Random::Secure.random_bytes(6)\n    part1 = bytes[0, 3].hexstring[0, 4]\n    part2 = bytes[3, 3].hexstring[0, 4]\n    \"#{part1}-#{part2}\"\n  end\n\n  private def start_cleanup\n    spawn do\n      loop do\n        sleep 10.minutes\n        @mutex.synchronize do\n          @sessions.reject! { |_, s| s.expired? }\n        end\n      end\n    end\n  end\nend\n\nSESSIONS = SessionStore.new\n\n# Friend location tracking (in-memory, keyed by local_actor_id -> remote_actor_url -> location)\nstruct FriendLocation\n  include JSON::Serializable\n\n  property remote_actor_url : String\n  property remote_actor_acct : String\n  property lat : Float64\n  property lng : Float64\n  property accuracy : Float64?\n  property speed : Float64?\n  property heading : Float64?\n  property updated_at : Time\n\n  def initialize(\n    @remote_actor_url : String,\n    @remote_actor_acct : String,\n    @lat : Float64,\n    @lng : Float64,\n    @accuracy : Float64? = nil,\n    @speed : Float64? = nil,\n    @heading : Float64? = nil,\n    @updated_at : Time = Time.utc\n  )\n  end\n\n  def expired? : Bool\n    (Time.utc - @updated_at) > 30.minutes\n  end\nend\n\nclass FriendLocationsStore\n  def initialize\n    # local_actor_id => { remote_actor_url => FriendLocation }\n    @locations = {} of String => Hash(String, FriendLocation)\n    @mutex = Mutex.new\n    start_cleanup\n  end\n\n  def update(local_actor_id : String, location : FriendLocation)\n    @mutex.synchronize do\n      @locations[local_actor_id] ||= {} of String => FriendLocation\n      @locations[local_actor_id][location.remote_actor_url] = location\n    end\n  end\n\n  def get_all(local_actor_id : String) : Array(FriendLocation)\n    @mutex.synchronize do\n      if locs = @locations[local_actor_id]?\n        locs.values.reject(&.expired?)\n      else\n        [] of FriendLocation\n      end\n    end\n  end\n\n  def remove(local_actor_id : String, remote_actor_url : String)\n    @mutex.synchronize do\n      if locs = @locations[local_actor_id]?\n        locs.delete(remote_actor_url)\n      end\n    end\n  end\n\n  private def start_cleanup\n    spawn do\n      loop do\n        sleep 5.minutes\n        @mutex.synchronize do\n          @locations.each do |_, locs|\n            locs.reject! { |_, loc| loc.expired? }\n          end\n          @locations.reject! { |_, locs| locs.empty? }\n        end\n      end\n    end\n  end\nend\n\nFRIEND_LOCATIONS = FriendLocationsStore.new\n\n# Auth helpers\n\nstruct AuthResult\n  property authenticated : Bool\n  property actor : Actor?\n\n  def initialize(@authenticated, @actor = nil)\n  end\nend\n\ndef check_auth(context) : AuthResult\n  auth_header = context.request.headers[\"Authorization\"]?\n\n  if auth_header && auth_header.starts_with?(\"Bearer \")\n    token = auth_header[7..]\n\n    if actor = ACTOR_STORE.find_by_token(token)\n      return AuthResult.new(authenticated: true, actor: actor)\n    end\n  end\n\n  AuthResult.new(authenticated: false)\nend\n\ndef check_http_signature(context) : Actor?\n  key_id = HTTPSignature.extract_key_id(context.request)\n  return nil unless key_id\n\n  # Try cache first\n  pem = ACTOR_STORE.get_cached_key(key_id)\n\n  unless pem\n    result = Federation.fetch_public_key(key_id)\n    return nil unless result\n    actor_id, pem = result\n    ACTOR_STORE.cache_remote_key(key_id, actor_id, pem)\n  end\n\n  public_key = OpenSSL::PKey::RSA.new(pem)\n  return nil unless HTTPSignature.verify(context.request, public_key)\n\n  actor_url = key_id.split(\"#\").first\n  actor = ACTOR_STORE.find_by_id(actor_url)\n  return actor if actor\n\n  # Fetch and cache remote actor\n  remote_actor = Federation.fetch_actor(actor_url)\n  return nil unless remote_actor\n\n  ACTOR_STORE.upsert_remote(remote_actor)\nend\n\ndef cors_headers(context, origin = \"*\")\n  context.response.headers[\"Access-Control-Allow-Origin\"] = origin\n  context.response.headers[\"Access-Control-Allow-Methods\"] = \"GET, POST, PUT, PATCH, DELETE, OPTIONS\"\n  context.response.headers[\"Access-Control-Allow-Headers\"] = \"Content-Type, Authorization, Accept, Signature, Date, Digest\"\n  context.response.headers[\"Access-Control-Allow-Credentials\"] = \"true\"\nend\n\ndef extract_session_id(path : String) : String?\n  if match = path.match(/^\\/api\\/session\\/([a-f0-9]{4}-[a-f0-9]{4})/)\n    match[1]\n  else\n    nil\n  end\nend\n\ndef extract_username(path : String) : String?\n  if match = path.match(/^\\/users\\/([a-zA-Z0-9_-]+)/)\n    match[1]\n  else\n    nil\n  end\nend\n\ndef wants_activitypub?(context) : Bool\n  accept = context.request.headers[\"Accept\"]? || \"\"\n  accept.includes?(\"application/activity+json\") ||\n    accept.includes?(\"application/ld+json\")\nend\n\n# HTTP Server\n\nserver = HTTP::Server.new do |context|\n  origin = context.request.headers[\"Origin\"]? || \"*\"\n  cors_headers(context, origin)\n\n  if context.request.method == \"OPTIONS\"\n    context.response.status = HTTP::Status::OK\n    next\n  end\n\n  path = context.request.path\n  method = context.request.method\n\n  case {path, method}\n  # ============================================\n  # WebFinger\n  # ============================================\n  when {\"/.well-known/webfinger\", \"GET\"}\n    resource = context.request.query_params[\"resource\"]?\n    unless resource\n      context.response.status = HTTP::Status::BAD_REQUEST\n      context.response.print(%({\"error\": \"Missing resource parameter\"}))\n      next\n    end\n\n    # Parse acct:username@domain\n    acct = resource.sub(/^acct:/, \"\")\n    parts = acct.split(\"@\")\n    unless parts.size == 2 && parts[1] == DOMAIN\n      context.response.status = HTTP::Status::NOT_FOUND\n      context.response.print(%({\"error\": \"User not found\"}))\n      next\n    end\n\n    username = parts[0]\n    actor = ACTOR_STORE.find_by_username(username)\n    unless actor\n      context.response.status = HTTP::Status::NOT_FOUND\n      context.response.print(%({\"error\": \"User not found\"}))\n      next\n    end\n\n    context.response.content_type = CT_JRD\n    context.response.print(JSON.build do |json|\n      json.object do\n        json.field \"subject\", \"acct:#{actor.acct}\"\n        json.field \"aliases\", [actor.id]\n        json.field \"links\" do\n          json.array do\n            json.object do\n              json.field \"rel\", \"self\"\n              json.field \"type\", CT_ACTIVITYPUB\n              json.field \"href\", actor.id\n            end\n            json.object do\n              json.field \"rel\", \"http://webfinger.net/rel/profile-page\"\n              json.field \"type\", \"text/html\"\n              json.field \"href\", actor.id\n            end\n          end\n        end\n      end\n    end)\n\n    # ============================================\n    # NodeInfo\n    # ============================================\n  when {\"/.well-known/nodeinfo\", \"GET\"}\n    context.response.content_type = CT_JSON\n    context.response.print(JSON.build do |json|\n      json.object do\n        json.field \"links\" do\n          json.array do\n            json.object do\n              json.field \"rel\", \"http://nodeinfo.diaspora.software/ns/schema/2.1\"\n              json.field \"href\", \"https://#{DOMAIN}/nodeinfo/2.1\"\n            end\n          end\n        end\n      end\n    end)\n  when {\"/nodeinfo/2.1\", \"GET\"}\n    local_users = ACTOR_STORE.find_local_actors.size\n    context.response.content_type = CT_JSON\n    context.response.print(JSON.build do |json|\n      json.object do\n        json.field \"version\", \"2.1\"\n        json.field \"software\" do\n          json.object do\n            json.field \"name\", \"josie.place\"\n            json.field \"version\", \"0.2.0\"\n            json.field \"repository\", \"https://github.com/josie/place\"\n          end\n        end\n        json.field \"protocols\", [\"activitypub\"]\n        json.field \"services\" do\n          json.object do\n            json.field \"outbound\", [] of String\n            json.field \"inbound\", [] of String\n          end\n        end\n        json.field \"usage\" do\n          json.object do\n            json.field \"users\" do\n              json.object do\n                json.field \"total\", local_users\n                json.field \"activeMonth\", local_users\n                json.field \"activeHalfyear\", local_users\n              end\n            end\n            json.field \"localPosts\", 0\n          end\n        end\n        json.field \"openRegistrations\", !INVITE_CODES.empty?\n        json.field \"metadata\" do\n          json.object do\n            json.field \"nodeName\", \"josie.place\"\n            json.field \"nodeDescription\", \"Live location sharing\"\n          end\n        end\n      end\n    end)\n\n    # ============================================\n    # Mastodon OAuth: Start login flow\n    # ============================================\n  when {\"/api/auth/start\", \"POST\"}\n    begin\n      body = context.request.body.try(&.gets_to_end) || \"\"\n      data = JSON.parse(body)\n\n      instance = data[\"instance\"]?.try(&.as_s?)\n      unless instance\n        context.response.status = HTTP::Status::BAD_REQUEST\n        context.response.print(%({\"error\": \"Missing instance parameter\"}))\n        next\n      end\n\n      is_native = data[\"native\"]?.try(&.as_bool?) || false\n\n      # Normalize instance domain\n      instance = instance.downcase.strip\n      instance = instance.sub(/^https?:\\/\\//, \"\").split(\"/\").first\n\n      redirect_uri = \"#{API_BASE_URL}/api/auth/callback\"\n\n      # Detect instance type\n      instance_type = MastodonOAuth.detect_instance_type(instance)\n      if instance_type == MastodonOAuth::InstanceType::Unknown\n        context.response.status = HTTP::Status::BAD_GATEWAY\n        context.response.print(%({\"error\": \"Unknown instance type\"}))\n        next\n      end\n\n      state = MastodonOAuth.generate_state\n      auth_url : String\n\n      if instance_type == MastodonOAuth::InstanceType::Misskey\n        # Misskey/Sharkey: Use MiAuth (simpler and more reliable than their OAuth)\n        session_id = MastodonOAuth.generate_miauth_session\n\n        # Store session_id in code_verifier field (reusing existing schema)\n        oauth_state = MastodonOAuth::OAuthState.new(state, instance, session_id, instance_type)\n        ACTOR_STORE.save_oauth_state(oauth_state)\n\n        # MiAuth callback includes the session ID, so we encode state in the callback URL\n        callback_url = \"#{redirect_uri}?state=#{state}\"\n        auth_url = MastodonOAuth.miauth_authorization_url(instance, session_id, callback_url)\n      else\n        # Mastodon: Register app and use standard OAuth\n        app = ACTOR_STORE.get_oauth_app(instance)\n        unless app\n          app = MastodonOAuth.register_app(instance, redirect_uri)\n          unless app\n            context.response.status = HTTP::Status::BAD_GATEWAY\n            context.response.print(%({\"error\": \"Failed to register with instance\"}))\n            next\n          end\n          ACTOR_STORE.save_oauth_app(app)\n        end\n\n        oauth_state = MastodonOAuth::OAuthState.new(state, instance, nil, instance_type)\n        ACTOR_STORE.save_oauth_state(oauth_state)\n\n        auth_url = MastodonOAuth.authorization_url(instance, app.client_id, redirect_uri, state)\n      end\n\n      # Clean up old states\n      ACTOR_STORE.cleanup_old_oauth_states\n\n      context.response.content_type = CT_JSON\n      context.response.print(%({\"url\": \"#{auth_url}\"}))\n    rescue ex\n      puts \"Auth start error: #{ex.message}\"\n      context.response.status = HTTP::Status::BAD_REQUEST\n      context.response.print(%({\"error\": \"Invalid request\"}))\n    end\n    # ============================================\n    # Mastodon OAuth / MiAuth: Callback\n    # ============================================\n  when {\"/api/auth/callback\", \"GET\"}\n    code = context.request.query_params[\"code\"]?\n    state = context.request.query_params[\"state\"]?\n\n    # state is required for both flows\n    unless state\n      context.response.status = HTTP::Status::BAD_REQUEST\n      context.response.content_type = \"text/html\"\n      context.response.print(\"<h1>Error</h1><p>Missing state parameter</p>\")\n      next\n    end\n\n    # Verify state\n    oauth_state = ACTOR_STORE.get_oauth_state(state)\n    unless oauth_state\n      context.response.status = HTTP::Status::BAD_REQUEST\n      context.response.content_type = \"text/html\"\n      context.response.print(\"<h1>Error</h1><p>Invalid or expired state</p>\")\n      next\n    end\n\n    # For Mastodon, code is required; for MiAuth, it's not\n    if oauth_state.instance_type == MastodonOAuth::InstanceType::Mastodon && !code\n      context.response.status = HTTP::Status::BAD_REQUEST\n      context.response.content_type = \"text/html\"\n      context.response.print(\"<h1>Error</h1><p>Missing code parameter</p>\")\n      next\n    end\n\n    # Delete used state\n    ACTOR_STORE.delete_oauth_state(state)\n\n    # Check state age (10 min max)\n    if Time.utc - oauth_state.created_at > 10.minutes\n      context.response.status = HTTP::Status::BAD_REQUEST\n      context.response.content_type = \"text/html\"\n      context.response.print(\"<h1>Error</h1><p>State expired</p>\")\n      next\n    end\n\n    instance = oauth_state.instance_domain\n    instance_type = oauth_state.instance_type\n    redirect_uri = \"#{API_BASE_URL}/api/auth/callback\"\n\n    # Exchange code for token (different flow for Misskey vs Mastodon)\n    access_token : String?\n    account_id : String\n    account_username : String\n    account_display_name : String\n    account_url : String\n\n    if instance_type == MastodonOAuth::InstanceType::Misskey\n      # Misskey/Sharkey: Use MiAuth - session_id is stored in code_verifier field\n      session_id = oauth_state.code_verifier\n      unless session_id\n        context.response.status = HTTP::Status::BAD_REQUEST\n        context.response.content_type = \"text/html\"\n        context.response.print(\"<h1>Error</h1><p>Missing session_id for MiAuth flow</p>\")\n        next\n      end\n\n      # MiAuth check - no code needed, just the session ID\n      access_token = MastodonOAuth.miauth_check(instance, session_id)\n      unless access_token\n        context.response.status = HTTP::Status::BAD_GATEWAY\n        context.response.content_type = \"text/html\"\n        context.response.print(\"<h1>Error</h1><p>Failed to get access token from MiAuth</p>\")\n        next\n      end\n\n      # Get Misskey user info\n      misskey_account = MastodonOAuth.misskey_verify_credentials(instance, access_token)\n      unless misskey_account\n        context.response.status = HTTP::Status::BAD_GATEWAY\n        context.response.content_type = \"text/html\"\n        context.response.print(\"<h1>Error</h1><p>Failed to verify credentials</p>\")\n        next\n      end\n\n      account_id = misskey_account.id\n      account_username = misskey_account.username\n      account_display_name = misskey_account.name || misskey_account.username\n      account_url = \"https://#{instance}/@#{misskey_account.username}\"\n    else\n      # Mastodon: Standard OAuth flow\n      app = ACTOR_STORE.get_oauth_app(instance)\n      unless app\n        context.response.status = HTTP::Status::INTERNAL_SERVER_ERROR\n        context.response.content_type = \"text/html\"\n        context.response.print(\"<h1>Error</h1><p>App not found for instance</p>\")\n        next\n      end\n\n      access_token = MastodonOAuth.exchange_code(instance, app.client_id, app.client_secret, redirect_uri, code.not_nil!)\n      unless access_token\n        context.response.status = HTTP::Status::BAD_GATEWAY\n        context.response.content_type = \"text/html\"\n        context.response.print(\"<h1>Error</h1><p>Failed to get access token</p>\")\n        next\n      end\n\n      # Get Mastodon user info\n      account = MastodonOAuth.verify_credentials(instance, access_token)\n      unless account\n        context.response.status = HTTP::Status::BAD_GATEWAY\n        context.response.content_type = \"text/html\"\n        context.response.print(\"<h1>Error</h1><p>Failed to verify credentials</p>\")\n        next\n      end\n\n      account_id = account.id\n      account_username = account.username\n      account_display_name = account.display_name\n      account_url = account.url\n    end\n\n    # Find or create local actor\n    actor = ACTOR_STORE.find_actor_by_remote(instance, account_id)\n\n    unless actor\n      # Create new local actor linked to this remote account\n      # Format: username_domain_tld (e.g., josie_fedi_josie_place)\n      username = \"#{account_username}_#{instance.gsub(\".\", \"_\")}\"\n      # Ensure unique username\n      base_username = username\n      counter = 1\n      while ACTOR_STORE.find_by_username(username)\n        username = \"#{base_username}#{counter}\"\n        counter += 1\n      end\n\n      actor = Actor.create_local(username, DOMAIN, account_display_name)\n      ACTOR_STORE.create(actor)\n\n      # Link to remote account\n      link = MastodonOAuth::ActorLink.new(\n        local_actor_id: actor.id,\n        remote_instance: instance,\n        remote_account_id: account_id,\n        remote_actor_url: account_url,\n        remote_username: account_username,\n        access_token: access_token\n      )\n      ACTOR_STORE.save_actor_link(link)\n    end\n\n    # Return HTML page that posts token to opener and closes\n    context.response.content_type = \"text/html\"\n    context.response.print(<<-HTML\n    <!DOCTYPE html>\n    <html>\n    <head><title>Login successful</title></head>\n    <body>\n      <h1>Login successful</h1>\n      <p>You can close this window.</p>\n      <script>\n        if (window.opener) {\n          window.opener.postMessage({\n            type: 'oauth_success',\n            token: '#{actor.token}',\n            username: '#{actor.username}',\n            actorId: '#{actor.id}'\n          }, 'https://#{DOMAIN}');\n          window.close();\n        }\n      </script>\n    </body>\n    </html>\n    HTML\n    )\n\n    # ============================================\n    # Shared Inbox (for efficiency)\n    # ============================================\n  when {\"/inbox\", \"POST\"}\n    actor = check_http_signature(context)\n    unless actor\n      context.response.status = HTTP::Status::UNAUTHORIZED\n      context.response.print(%({\"error\": \"Invalid signature\"}))\n      next\n    end\n\n    body = context.request.body.try(&.gets_to_end) || \"\"\n    activity = Activity.from_json_any(JSON.parse(body))\n    unless activity\n      context.response.status = HTTP::Status::BAD_REQUEST\n      context.response.print(%({\"error\": \"Invalid activity\"}))\n      next\n    end\n\n    # Route to appropriate local actor inbox\n    # For now, just accept\n    context.response.status = HTTP::Status::ACCEPTED\n    context.response.print(%({\"ok\": true}))\n\n    # ============================================\n    # Lists API: Get all lists\n    # ============================================\n  when {\"/api/lists\", \"GET\"}\n    auth = check_auth(context)\n    unless auth.authenticated && auth.actor\n      context.response.status = HTTP::Status::UNAUTHORIZED\n      context.response.print(%({\"error\": \"Unauthorized\"}))\n      next\n    end\n\n    lists = ACTOR_STORE.get_lists_for_actor(auth.actor.not_nil!.id)\n    context.response.content_type = CT_JSON\n    context.response.print(JSON.build do |json|\n      json.array do\n        lists.each { |list| list.to_json(json) }\n      end\n    end)\n\n    # ============================================\n    # Lists API: Create a list\n    # ============================================\n  when {\"/api/lists\", \"POST\"}\n    auth = check_auth(context)\n    unless auth.authenticated && auth.actor\n      context.response.status = HTTP::Status::UNAUTHORIZED\n      context.response.print(%({\"error\": \"Unauthorized\"}))\n      next\n    end\n\n    begin\n      body = context.request.body.try(&.gets_to_end) || \"\"\n      data = JSON.parse(body)\n\n      name = data[\"name\"]?.try(&.as_s?)\n      unless name && !name.empty?\n        context.response.status = HTTP::Status::BAD_REQUEST\n        context.response.print(%({\"error\": \"Name is required\"}))\n        next\n      end\n\n      interval = data[\"update_interval_seconds\"]?.try(&.as_i?) || 30\n      accuracy_str = data[\"accuracy\"]?.try(&.as_s?) || \"exact\"\n      accuracy = LocationAccuracy.parse?(accuracy_str) || LocationAccuracy::Exact\n\n      list = LocationList.new(\n        id: LocationList.generate_id,\n        owner_actor_id: auth.actor.not_nil!.id,\n        name: name,\n        update_interval_seconds: interval,\n        accuracy: accuracy\n      )\n      ACTOR_STORE.create_list(list)\n\n      context.response.status = HTTP::Status::CREATED\n      context.response.content_type = CT_JSON\n      context.response.print(JSON.build { |json| list.to_json(json) })\n    rescue ex\n      context.response.status = HTTP::Status::BAD_REQUEST\n      context.response.print(%({\"error\": \"Invalid request\"}))\n    end\n\n    # ============================================\n    # API: Create session (with optional list_ids for federated broadcasting)\n    # ============================================\n  when {\"/api/session\", \"POST\"}\n    auth = check_auth(context)\n    unless auth.authenticated\n      context.response.status = HTTP::Status::UNAUTHORIZED\n      context.response.print(%({\"error\": \"Unauthorized\"}))\n      next\n    end\n\n    owner_id = auth.actor.try(&.id)\n    list_ids = [] of String\n\n    # Parse optional list_ids from request body\n    begin\n      body = context.request.body.try(&.gets_to_end) || \"\"\n      unless body.empty?\n        data = JSON.parse(body)\n        if ids = data[\"list_ids\"]?.try(&.as_a?)\n          list_ids = ids.compact_map(&.as_s?)\n        end\n      end\n    rescue\n      # Ignore parse errors, just use empty list_ids\n    end\n\n    session = SESSIONS.create(owner_id, SessionVisibility::Public, list_ids)\n    context.response.content_type = CT_JSON\n    context.response.print(JSON.build do |json|\n      json.object do\n        json.field \"id\", session.id\n        json.field \"list_ids\", list_ids\n      end\n    end)\n\n    # ============================================\n    # Health check\n    # ============================================\n  when {\"/health\", \"GET\"}\n    context.response.content_type = CT_JSON\n    context.response.print(%({\"status\": \"ok\"}))\n\n    # ============================================\n    # Test endpoint: Add fake friend location (dev only)\n    # ============================================\n  when {\"/api/test/friend-location\", \"POST\"}\n    auth = check_auth(context)\n    unless auth.authenticated && auth.actor\n      context.response.status = HTTP::Status::UNAUTHORIZED\n      context.response.print(%({\"error\": \"Unauthorized\"}))\n      next\n    end\n\n    begin\n      body = context.request.body.try(&.gets_to_end) || \"\"\n      data = JSON.parse(body)\n\n      actor = auth.actor.not_nil!\n      friend_loc = FriendLocation.new(\n        remote_actor_url: data[\"actor_url\"].as_s,\n        remote_actor_acct: data[\"acct\"].as_s,\n        lat: data[\"lat\"].as_f,\n        lng: data[\"lng\"].as_f,\n        accuracy: data[\"accuracy\"]?.try(&.as_f?),\n        updated_at: Time.utc\n      )\n      FRIEND_LOCATIONS.update(actor.id, friend_loc)\n\n      context.response.content_type = CT_JSON\n      context.response.print(%({\"ok\": true}))\n    rescue ex\n      context.response.status = HTTP::Status::BAD_REQUEST\n      context.response.print(%({\"error\": \"#{ex.message}\"}))\n    end\n  else\n    # ============================================\n    # Lists API: /api/lists/:id/*\n    # ============================================\n    if path.starts_with?(\"/api/lists/\")\n      auth = check_auth(context)\n      unless auth.authenticated && auth.actor\n        context.response.status = HTTP::Status::UNAUTHORIZED\n        context.response.print(%({\"error\": \"Unauthorized\"}))\n        next\n      end\n\n      actor = auth.actor.not_nil!\n      parts = path.sub(\"/api/lists/\", \"\").split(\"/\")\n      list_id = parts[0]\n      subpath = parts.size > 1 ? \"/#{parts[1..-1].join(\"/\")}\" : \"\"\n\n      list = ACTOR_STORE.get_list(list_id)\n      unless list && list.owner_actor_id == actor.id\n        context.response.status = HTTP::Status::NOT_FOUND\n        context.response.print(%({\"error\": \"List not found\"}))\n        next\n      end\n\n      case {subpath, method}\n      # Get single list\n      when {\"\", \"GET\"}\n        context.response.content_type = CT_JSON\n        context.response.print(JSON.build { |json| list.to_json(json) })\n\n        # Update list\n      when {\"\", \"PATCH\"}\n        begin\n          body = context.request.body.try(&.gets_to_end) || \"\"\n          data = JSON.parse(body)\n\n          updated_list = LocationList.new(\n            id: list.id,\n            owner_actor_id: list.owner_actor_id,\n            name: data[\"name\"]?.try(&.as_s?) || list.name,\n            update_interval_seconds: data[\"update_interval_seconds\"]?.try(&.as_i?) || list.update_interval_seconds,\n            accuracy: data[\"accuracy\"]?.try(&.as_s?).try { |s| LocationAccuracy.parse?(s) } || list.accuracy,\n            created_at: list.created_at,\n            updated_at: Time.utc\n          )\n          ACTOR_STORE.update_list(updated_list)\n\n          context.response.content_type = CT_JSON\n          context.response.print(JSON.build { |json| updated_list.to_json(json) })\n        rescue ex\n          context.response.status = HTTP::Status::BAD_REQUEST\n          context.response.print(%({\"error\": \"Invalid request\"}))\n        end\n        # Delete list\n      when {\"\", \"DELETE\"}\n        ACTOR_STORE.delete_list(list_id)\n        context.response.status = HTTP::Status::NO_CONTENT\n\n        # Get list members\n      when {\"/members\", \"GET\"}\n        members = ACTOR_STORE.get_list_members(list_id)\n        context.response.content_type = CT_JSON\n        context.response.print(JSON.build do |json|\n          json.array do\n            members.each { |m| m.to_json(json) }\n          end\n        end)\n\n        # Add member to list\n      when {\"/members\", \"POST\"}\n        begin\n          body = context.request.body.try(&.gets_to_end) || \"\"\n          data = JSON.parse(body)\n\n          acct = data[\"acct\"]?.try(&.as_s?)\n          unless acct && !acct.empty?\n            context.response.status = HTTP::Status::BAD_REQUEST\n            context.response.print(%({\"error\": \"acct is required (e.g., user@example.com)\"}))\n            next\n          end\n\n          # Normalize acct: trim whitespace and remove leading @\n          acct = acct.strip\n          if acct.starts_with?('@')\n            acct = acct[1..]\n          end\n\n          puts \"Adding member: acct=#{acct}\"\n\n          # Check if already a member\n          existing = ACTOR_STORE.get_list_members(list_id).find { |m| m.remote_actor_acct == acct }\n          if existing\n            context.response.status = HTTP::Status::CONFLICT\n            context.response.print(%({\"error\": \"Already a member\"}))\n            next\n          end\n\n          # Validate acct format\n          parts = acct.split(\"@\")\n          if parts.size != 2\n            context.response.status = HTTP::Status::BAD_REQUEST\n            context.response.print(%({\"error\": \"Invalid acct format\"}))\n            next\n          end\n\n          # Lookup actor via WebFinger\n          remote_actor_url = Federation.webfinger(acct)\n          unless remote_actor_url\n            context.response.status = HTTP::Status::NOT_FOUND\n            context.response.print(%({\"error\": \"Could not find user via WebFinger\"}))\n            next\n          end\n\n          # Fetch remote actor to get their inbox (signed for servers that require it)\n          remote_actor = Federation.fetch_actor(remote_actor_url, actor)\n          unless remote_actor\n            context.response.status = HTTP::Status::NOT_FOUND\n            context.response.print(%({\"error\": \"Could not fetch remote actor\"}))\n            next\n          end\n\n          member = ListMember.new(\n            id: ListMember.generate_id,\n            list_id: list_id,\n            remote_actor_url: remote_actor_url,\n            remote_actor_acct: acct,\n            status: \"pending\"\n          )\n          ACTOR_STORE.add_list_member(member)\n\n          # Check if this remote user has a local josie.place account\n          # Use username/domain since actor_links stores web profile URL, not ActivityPub URL\n          local_recipient = ACTOR_STORE.find_local_actor_by_remote_acct(parts[0], parts[1])\n          if local_recipient\n            # Create IncomingShare directly for local user\n            puts \"Creating local incoming share for #{local_recipient.username}\"\n            existing_share = ACTOR_STORE.find_incoming_share_by_actor(local_recipient.id, actor.id)\n            unless existing_share\n              share = IncomingShare.new(\n                id: IncomingShare.generate_id,\n                local_actor_id: local_recipient.id,\n                remote_actor_url: actor.id,\n                remote_actor_acct: actor.acct\n              )\n              ACTOR_STORE.create_incoming_share(share)\n              puts \"Created incoming share from #{actor.acct} to #{local_recipient.username}\"\n            end\n          else\n            # Send ActivityPub Invite to remote actor\n            puts \"Sending ActivityPub invite to #{remote_actor.inbox}\"\n            invite_id = \"https://#{DOMAIN}/activities/#{Random::Secure.hex(16)}\"\n            invite_activity = JSON.build do |json|\n              json.object do\n                json.field \"@context\", \"https://www.w3.org/ns/activitystreams\"\n                json.field \"id\", invite_id\n                json.field \"type\", \"Invite\"\n                json.field \"actor\", actor.id\n                json.field \"object\" do\n                  json.object do\n                    json.field \"type\", \"Application\"\n                    json.field \"name\", \"josie.place Location Sharing\"\n                  end\n                end\n                json.field \"target\", remote_actor_url\n                json.field \"to\", [remote_actor_url]\n              end\n            end\n\n            # Queue delivery\n            DELIVERY_QUEUE.enqueue(remote_actor.inbox, invite_activity, actor)\n          end\n\n          context.response.status = HTTP::Status::CREATED\n          context.response.content_type = CT_JSON\n          context.response.print(JSON.build { |json| member.to_json(json) })\n        rescue ex\n          puts \"Add member error: #{ex.message}\"\n          context.response.status = HTTP::Status::BAD_REQUEST\n          context.response.print(%({\"error\": \"Invalid request\"}))\n        end\n      else\n        # Check for /members/:member_id DELETE\n        if subpath.starts_with?(\"/members/\") && method == \"DELETE\"\n          member_id = subpath.sub(\"/members/\", \"\")\n          puts \"Delete member: list_id=#{list_id}, member_id=#{member_id}\"\n          member = ACTOR_STORE.get_list_member(member_id)\n          puts \"Found member: #{member.inspect}\"\n          if member && member.list_id == list_id\n            ACTOR_STORE.delete_list_member(member_id)\n            context.response.status = HTTP::Status::NO_CONTENT\n          else\n            puts \"Member not found or list_id mismatch\"\n            context.response.status = HTTP::Status::NOT_FOUND\n            context.response.print(%({\"error\": \"Member not found\"}))\n          end\n        else\n          context.response.status = HTTP::Status::NOT_FOUND\n          context.response.print(%({\"error\": \"Not found\"}))\n        end\n      end\n      next\n    end\n\n    # ============================================\n    # Incoming Shares API: /api/shares/incoming/*\n    # ============================================\n    if path.starts_with?(\"/api/shares/incoming\")\n      auth = check_auth(context)\n      unless auth.authenticated && auth.actor\n        context.response.status = HTTP::Status::UNAUTHORIZED\n        context.response.print(%({\"error\": \"Unauthorized\"}))\n        next\n      end\n\n      actor = auth.actor.not_nil!\n\n      case {path, method}\n      # Get all incoming shares\n      when {\"/api/shares/incoming\", \"GET\"}\n        shares = ACTOR_STORE.get_incoming_shares_for_actor(actor.id)\n        context.response.content_type = CT_JSON\n        context.response.print(JSON.build do |json|\n          json.array do\n            shares.each { |s| s.to_json(json) }\n          end\n        end)\n      else\n        # Handle /api/shares/incoming/:id/accept or /decline\n        if path =~ /^\\/api\\/shares\\/incoming\\/([^\\/]+)\\/(accept|decline)$/ && method == \"POST\"\n          share_id = $1\n          action = $2\n\n          share = ACTOR_STORE.get_incoming_share(share_id)\n          unless share && share.local_actor_id == actor.id\n            context.response.status = HTTP::Status::NOT_FOUND\n            context.response.print(%({\"error\": \"Share not found\"}))\n            next\n          end\n\n          new_status = action == \"accept\" ? \"accepted\" : \"declined\"\n          accepted_at = action == \"accept\" ? Time.utc : nil\n          ACTOR_STORE.update_incoming_share_status(share_id, new_status, accepted_at)\n\n          context.response.content_type = CT_JSON\n          context.response.print(%({\"status\": \"#{new_status}\"}))\n        else\n          context.response.status = HTTP::Status::NOT_FOUND\n          context.response.print(%({\"error\": \"Not found\"}))\n        end\n      end\n      next\n    end\n\n    # ============================================\n    # Friend Locations API: /api/friends/locations\n    # ============================================\n    if path == \"/api/friends/locations\" && method == \"GET\"\n      auth = check_auth(context)\n      unless auth.authenticated && auth.actor\n        context.response.status = HTTP::Status::UNAUTHORIZED\n        context.response.print(%({\"error\": \"Unauthorized\"}))\n        next\n      end\n\n      actor = auth.actor.not_nil!\n      locations = FRIEND_LOCATIONS.get_all(actor.id)\n\n      context.response.content_type = CT_JSON\n      context.response.print(JSON.build do |json|\n        json.array do\n          locations.each { |loc| loc.to_json(json) }\n        end\n      end)\n      next\n    end\n\n    # ============================================\n    # Actor endpoints: /users/:username/*\n    # ============================================\n    if username = extract_username(path)\n      actor = ACTOR_STORE.find_by_username(username)\n\n      unless actor\n        context.response.status = HTTP::Status::NOT_FOUND\n        context.response.content_type = CT_JSON\n        context.response.print(%({\"error\": \"Actor not found\"}))\n        next\n      end\n\n      subpath = path.sub(\"/users/#{username}\", \"\")\n\n      case {subpath, method}\n      # Actor profile\n      when {\"\", \"GET\"}, {\"/\", \"GET\"}\n        if wants_activitypub?(context)\n          context.response.content_type = CT_ACTIVITYPUB\n          context.response.print(actor.to_activitypub)\n        else\n          context.response.content_type = CT_JSON\n          context.response.print(actor.to_json)\n        end\n        # Inbox\n      when {\"/inbox\", \"POST\"}\n        remote_actor = check_http_signature(context)\n        unless remote_actor\n          context.response.status = HTTP::Status::UNAUTHORIZED\n          context.response.print(%({\"error\": \"Invalid signature\"}))\n          next\n        end\n\n        body = context.request.body.try(&.gets_to_end) || \"\"\n        data = JSON.parse(body)\n        activity = Activity.from_json_any(data)\n\n        unless activity\n          context.response.status = HTTP::Status::BAD_REQUEST\n          context.response.print(%({\"error\": \"Invalid activity\"}))\n          next\n        end\n\n        case activity.type\n        when \"Follow\"\n          target_id = activity.object_id\n          if target_id == actor.id\n            # Someone wants to follow this local actor\n            follow = Follow.new(\n              id: activity.id,\n              actor_id: activity.actor,\n              target_id: actor.id\n            )\n\n            existing = FOLLOW_STORE.find_by_actor_and_target(activity.actor, actor.id)\n            if existing\n              FOLLOW_STORE.update_state(existing.id, FollowState::Accepted)\n            else\n              FOLLOW_STORE.create(follow)\n              FOLLOW_STORE.update_state(follow.id, FollowState::Accepted)\n            end\n\n            # Auto-accept: send Accept activity\n            accept_activity = ActivityBuilder.create_accept(actor.id, data)\n            DELIVERY_QUEUE.enqueue(remote_actor.inbox, accept_activity, actor)\n          end\n        when \"Undo\"\n          inner = activity.object\n          if inner.as_h? && inner[\"type\"]?.try(&.as_s?) == \"Follow\"\n            follower_id = inner[\"actor\"]?.try(&.as_s?)\n            if follower_id\n              FOLLOW_STORE.delete_by_actor_and_target(follower_id, actor.id)\n            end\n          end\n        when \"Accept\"\n          # Our follow request was accepted\n          inner = activity.object\n          if inner.as_h? && inner[\"type\"]?.try(&.as_s?) == \"Follow\"\n            follow_id = inner[\"id\"]?.try(&.as_s?)\n            if follow_id\n              FOLLOW_STORE.update_state(follow_id, FollowState::Accepted)\n            end\n          end\n        when \"Reject\"\n          inner = activity.object\n          if inner.as_h? && inner[\"type\"]?.try(&.as_s?) == \"Follow\"\n            follow_id = inner[\"id\"]?.try(&.as_s?)\n            if follow_id\n              FOLLOW_STORE.update_state(follow_id, FollowState::Rejected)\n            end\n          end\n        when \"Invite\"\n          # Someone wants to share their location with us\n          obj = activity.object\n          if obj.as_h? && obj[\"type\"]?.try(&.as_s?) == \"Application\" && obj[\"name\"]?.try(&.as_s?).try(&.includes?(\"Location Sharing\"))\n            # This is a josie.place location sharing invite\n            remote_actor_url = activity.actor\n            remote_acct = \"#{remote_actor.username}@#{remote_actor.domain}\"\n\n            # Check if we already have this share request\n            existing = ACTOR_STORE.find_incoming_share_by_actor(actor.id, remote_actor_url)\n            unless existing\n              share = IncomingShare.new(\n                id: IncomingShare.generate_id,\n                local_actor_id: actor.id,\n                remote_actor_url: remote_actor_url,\n                remote_actor_acct: remote_acct\n              )\n              ACTOR_STORE.create_incoming_share(share)\n              puts \"Received location sharing invite from #{remote_acct} to #{actor.username}\"\n            end\n          end\n        when \"Update\"\n          # Location update from a friend\n          obj = activity.object\n          if obj.as_h? && obj[\"type\"]?.try(&.as_s?) == \"Place\"\n            remote_actor_url = activity.actor\n            remote_acct = \"#{remote_actor.username}@#{remote_actor.domain}\"\n\n            # Verify we have a symmetric relationship with this sender\n            if ACTOR_STORE.can_share_with?(actor.id, remote_actor_url)\n              lat = obj[\"latitude\"]?.try(&.as_f?)\n              lng = obj[\"longitude\"]?.try(&.as_f?)\n\n              if lat && lng\n                friend_loc = FriendLocation.new(\n                  remote_actor_url: remote_actor_url,\n                  remote_actor_acct: remote_acct,\n                  lat: lat,\n                  lng: lng,\n                  accuracy: obj[\"accuracy\"]?.try(&.as_f?),\n                  speed: obj[\"speed\"]?.try(&.as_f?),\n                  heading: obj[\"heading\"]?.try(&.as_f?),\n                  updated_at: Time.utc\n                )\n                FRIEND_LOCATIONS.update(actor.id, friend_loc)\n                puts \"Updated location for #{remote_acct} -> #{actor.username}: #{lat}, #{lng}\"\n              end\n            else\n              puts \"Rejected location update from #{remote_acct} - no symmetric relationship\"\n            end\n          end\n        end\n\n        context.response.status = HTTP::Status::ACCEPTED\n        context.response.print(%({\"ok\": true}))\n\n        # Outbox\n      when {\"/outbox\", \"GET\"}\n        context.response.content_type = CT_ACTIVITYPUB\n        context.response.print(JSON.build do |json|\n          json.object do\n            json.field \"@context\", \"https://www.w3.org/ns/activitystreams\"\n            json.field \"type\", \"OrderedCollection\"\n            json.field \"id\", actor.outbox\n            json.field \"totalItems\", 0\n            json.field \"orderedItems\", [] of String\n          end\n        end)\n\n        # Followers collection\n      when {\"/followers\", \"GET\"}\n        followers = FOLLOW_STORE.followers_of(actor.id)\n        context.response.content_type = CT_ACTIVITYPUB\n        context.response.print(JSON.build do |json|\n          json.object do\n            json.field \"@context\", \"https://www.w3.org/ns/activitystreams\"\n            json.field \"type\", \"OrderedCollection\"\n            json.field \"id\", actor.followers_url\n            json.field \"totalItems\", followers.size\n            json.field \"orderedItems\", followers.map(&.actor_id)\n          end\n        end)\n\n        # Following collection\n      when {\"/following\", \"GET\"}\n        following = FOLLOW_STORE.following_of(actor.id)\n        context.response.content_type = CT_ACTIVITYPUB\n        context.response.print(JSON.build do |json|\n          json.object do\n            json.field \"@context\", \"https://www.w3.org/ns/activitystreams\"\n            json.field \"type\", \"OrderedCollection\"\n            json.field \"id\", actor.following_url\n            json.field \"totalItems\", following.size\n            json.field \"orderedItems\", following.map(&.target_id)\n          end\n        end)\n      else\n        context.response.status = HTTP::Status::NOT_FOUND\n        context.response.print(%({\"error\": \"Not found\"}))\n      end\n\n      # ============================================\n      # Session endpoints: /api/session/:id/*\n      # ============================================\n    elsif session_id = extract_session_id(path)\n      session = SESSIONS.get(session_id)\n\n      unless session\n        context.response.status = HTTP::Status::NOT_FOUND\n        context.response.content_type = CT_JSON\n        context.response.print(%({\"error\": \"Session not found\"}))\n        next\n      end\n\n      subpath = path.sub(\"/api/session/#{session_id}\", \"\")\n\n      case {subpath, method}\n      # Get current location\n      when {\"\", \"GET\"}, {\"/\", \"GET\"}\n        context.response.content_type = CT_JSON\n        if loc = session.get\n          context.response.print(loc.to_json)\n        else\n          context.response.print(%({\"active\": false}))\n        end\n\n        # Update location\n      when {\"\", \"POST\"}, {\"/\", \"POST\"}\n        auth = check_auth(context)\n        unless auth.authenticated\n          context.response.status = HTTP::Status::UNAUTHORIZED\n          context.response.print(%({\"error\": \"Unauthorized\"}))\n          next\n        end\n\n        # Check owner match if session has an owner\n        if session.owner_id && auth.actor\n          unless session.owner_id == auth.actor.not_nil!.id\n            context.response.status = HTTP::Status::FORBIDDEN\n            context.response.print(%({\"error\": \"Not session owner\"}))\n            next\n          end\n        end\n\n        begin\n          body = context.request.body.try(&.gets_to_end) || \"\"\n          data = JSON.parse(body)\n\n          loc = Location.new(\n            lat: data[\"lat\"].as_f,\n            lng: data[\"lng\"].as_f,\n            accuracy: data[\"accuracy\"].as_f,\n            speed: data[\"speed\"]?.try(&.as_f?),\n            heading: data[\"heading\"]?.try(&.as_f?),\n            timestamp: Time.utc,\n            active: true,\n            expires: Time.utc + 30.minutes\n          )\n          session.update(loc)\n\n          context.response.content_type = CT_JSON\n          context.response.print(%({\"ok\": true}))\n        rescue ex\n          context.response.status = HTTP::Status::BAD_REQUEST\n          context.response.print(%({\"error\": \"Invalid JSON\"}))\n        end\n\n        # Stop sharing\n      when {\"/stop\", \"POST\"}\n        auth = check_auth(context)\n        unless auth.authenticated\n          context.response.status = HTTP::Status::UNAUTHORIZED\n          context.response.print(%({\"error\": \"Unauthorized\"}))\n          next\n        end\n\n        session.set_inactive\n        context.response.content_type = CT_JSON\n        context.response.print(%({\"ok\": true}))\n\n        # Delete session\n      when {\"/delete\", \"POST\"}\n        auth = check_auth(context)\n        unless auth.authenticated\n          context.response.status = HTTP::Status::UNAUTHORIZED\n          context.response.print(%({\"error\": \"Unauthorized\"}))\n          next\n        end\n\n        SESSIONS.delete(session_id)\n        context.response.content_type = CT_JSON\n        context.response.print(%({\"ok\": true}))\n\n        # SSE stream\n      when {\"/stream\", \"GET\"}\n        context.response.content_type = \"text/event-stream\"\n        context.response.headers[\"Cache-Control\"] = \"no-cache\"\n        context.response.headers[\"Connection\"] = \"keep-alive\"\n\n        ch = session.subscribe\n\n        if loc = session.get\n          context.response.print(\"data: #{loc.to_json}\\n\\n\")\n          context.response.flush\n        end\n\n        spawn do\n          loop do\n            sleep 30.seconds\n            begin\n              context.response.print(\": keepalive\\n\\n\")\n              context.response.flush\n            rescue\n              break\n            end\n          end\n        end\n\n        loop do\n          select\n          when loc = ch.receive?\n            if loc\n              context.response.print(\"data: #{loc.to_json}\\n\\n\")\n              context.response.flush\n            else\n              break\n            end\n          end\n        rescue\n          break\n        end\n\n        session.unsubscribe(ch)\n\n        # Subscribe to session (federation)\n      when {\"/subscribe\", \"POST\"}\n        remote_actor = check_http_signature(context)\n        unless remote_actor\n          context.response.status = HTTP::Status::UNAUTHORIZED\n          context.response.print(%({\"error\": \"Invalid signature\"}))\n          next\n        end\n\n        # Check visibility permissions\n        if session.visibility == SessionVisibility::FollowersOnly\n          if owner_id = session.owner_id\n            unless FOLLOW_STORE.is_following?(remote_actor.id, owner_id)\n              context.response.status = HTTP::Status::FORBIDDEN\n              context.response.print(%({\"error\": \"Must be a follower\"}))\n              next\n            end\n          end\n        end\n\n        session.add_remote_subscriber(remote_actor.inbox)\n        context.response.status = HTTP::Status::ACCEPTED\n        context.response.print(%({\"ok\": true}))\n      else\n        context.response.status = HTTP::Status::NOT_FOUND\n        context.response.print(%({\"error\": \"Not found\"}))\n      end\n    else\n      context.response.status = HTTP::Status::NOT_FOUND\n      context.response.print(%({\"error\": \"Not found\"}))\n    end\n  end\nend\n\nport = (ENV[\"PORT\"]? || \"8081\").to_i\nputs \"Location relay server starting on :#{port}\"\nputs \"Domain: #{DOMAIN}\"\nputs \"Invite codes: #{INVITE_CODES.size} configured\"\nserver.bind_tcp(\"0.0.0.0\", port)\nserver.listen\n","structuredPatch":[{"oldStart":625,"oldLines":7,"newStart":625,"newLines":7,"lines":["         session_id = MastodonOAuth.generate_miauth_session"," ","         # Store session_id in code_verifier field (reusing existing schema)","-        oauth_state = MastodonOAuth::OAuthState.new(state, instance, session_id, instance_type)","+        oauth_state = MastodonOAuth::OAuthState.new(state, instance, session_id, instance_type, is_native)","         ACTOR_STORE.save_oauth_state(oauth_state)"," ","         # MiAuth callback includes the session ID, so we encode state in the callback URL"]}],"userModified":false,"replaceAll":false},"sourceToolAssistantUUID":"011593e1-6264-429d-ae8e-80bec77209b9"}
{"parentUuid":"64996d46-c7c8-48ad-99b7-313f610c2929","isSidechain":false,"userType":"external","cwd":"/home/josie/development/personal/josiedot/place","sessionId":"36b028ca-0061-42de-a310-f77ba55fdd8d","version":"2.1.25","gitBranch":"main","slug":"harmonic-skipping-rainbow","message":{"model":"claude-opus-4-5-20251101","id":"msg_01YRxzLXcQsuHBxHR8Ps4pNa","type":"message","role":"assistant","content":[{"type":"thinking","thinking":"Now update the Mastodon OAuthState.new:","signature":"Es8BCkYICxgCKkB1ycoOJsU+dKwDkTH/ScD3VngVXazEbI/mETkBKl8nsMDYvRHqzQJwaTiROgTSQ7eVVEAjzqeySeB9koJD//fbEgx6vPZ0Bzrkna05JmUaDIGMlRYekpryfXmQGiIwgcOLAsb+bm/y3y+qIyJSjcYoD5hDe/MSY+feD2SuRrJqFoVEW0aERZGLOnFp1pC+Kjf4J5/s7z883aCRyAKfg2PIaSQg9mmKiXmmX5vsMOvpzWDE7hw2QRM2yHdsS/BPPZFrhhqkvhhaGAE="}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":8,"cache_creation_input_tokens":376,"cache_read_input_tokens":64241,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":376},"output_tokens":4,"service_tier":"standard"}},"requestId":"req_011CXdnquJ4N9JkDk9616nNA","type":"assistant","uuid":"310130e4-eb71-4bea-a916-53b8e4fadc6d","timestamp":"2026-01-30T15:22:20.331Z"}
{"parentUuid":"310130e4-eb71-4bea-a916-53b8e4fadc6d","isSidechain":false,"userType":"external","cwd":"/home/josie/development/personal/josiedot/place","sessionId":"36b028ca-0061-42de-a310-f77ba55fdd8d","version":"2.1.25","gitBranch":"main","slug":"harmonic-skipping-rainbow","message":{"model":"claude-opus-4-5-20251101","id":"msg_01YRxzLXcQsuHBxHR8Ps4pNa","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01WjigrsTgtUmKjtYC4H8624","name":"Edit","input":{"replace_all":false,"file_path":"/home/josie/development/personal/josiedot/place/backend/src/location_server.cr","old_string":"        oauth_state = MastodonOAuth::OAuthState.new(state, instance, nil, instance_type)\n        ACTOR_STORE.save_oauth_state(oauth_state)\n\n        auth_url = MastodonOAuth.authorization_url(instance, app.client_id, redirect_uri, state)","new_string":"        oauth_state = MastodonOAuth::OAuthState.new(state, instance, nil, instance_type, is_native)\n        ACTOR_STORE.save_oauth_state(oauth_state)\n\n        auth_url = MastodonOAuth.authorization_url(instance, app.client_id, redirect_uri, state)"}}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":8,"cache_creation_input_tokens":376,"cache_read_input_tokens":64241,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":376},"output_tokens":4,"service_tier":"standard"}},"requestId":"req_011CXdnquJ4N9JkDk9616nNA","type":"assistant","uuid":"6be55370-5fca-4dc4-ad67-e4f5682c36f6","timestamp":"2026-01-30T15:22:22.174Z"}
{"parentUuid":"6be55370-5fca-4dc4-ad67-e4f5682c36f6","isSidechain":false,"userType":"external","cwd":"/home/josie/development/personal/josiedot/place","sessionId":"36b028ca-0061-42de-a310-f77ba55fdd8d","version":"2.1.25","gitBranch":"main","slug":"harmonic-skipping-rainbow","type":"progress","data":{"type":"hook_progress","hookEvent":"PreToolUse","hookName":"PreToolUse:Edit","command":"python3 ${CLAUDE_PLUGIN_ROOT}/hooks/pretooluse.py"},"toolUseID":"toolu_01WjigrsTgtUmKjtYC4H8624","parentToolUseID":"toolu_01WjigrsTgtUmKjtYC4H8624","uuid":"3c003016-32eb-486e-92f0-d5e1d50a870b","timestamp":"2026-01-30T15:22:22.176Z"}
{"parentUuid":"3c003016-32eb-486e-92f0-d5e1d50a870b","isSidechain":false,"userType":"external","cwd":"/home/josie/development/personal/josiedot/place","sessionId":"36b028ca-0061-42de-a310-f77ba55fdd8d","version":"2.1.25","gitBranch":"main","slug":"harmonic-skipping-rainbow","type":"progress","data":{"type":"hook_progress","hookEvent":"PostToolUse","hookName":"PostToolUse:Edit","command":"python3 ${CLAUDE_PLUGIN_ROOT}/hooks/posttooluse.py"},"parentToolUseID":"toolu_01WjigrsTgtUmKjtYC4H8624","toolUseID":"toolu_01WjigrsTgtUmKjtYC4H8624","timestamp":"2026-01-30T15:22:23.927Z","uuid":"786db151-b552-4a6c-acb9-ac4912b62722"}
{"parentUuid":"6be55370-5fca-4dc4-ad67-e4f5682c36f6","isSidechain":false,"userType":"external","cwd":"/home/josie/development/personal/josiedot/place","sessionId":"36b028ca-0061-42de-a310-f77ba55fdd8d","version":"2.1.25","gitBranch":"main","slug":"harmonic-skipping-rainbow","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01WjigrsTgtUmKjtYC4H8624","type":"tool_result","content":"The file /home/josie/development/personal/josiedot/place/backend/src/location_server.cr has been updated successfully."}]},"uuid":"f1e0ee28-50e6-4f04-8f50-022e635b25df","timestamp":"2026-01-30T15:22:23.926Z","toolUseResult":{"filePath":"/home/josie/development/personal/josiedot/place/backend/src/location_server.cr","oldString":"        oauth_state = MastodonOAuth::OAuthState.new(state, instance, nil, instance_type)\n        ACTOR_STORE.save_oauth_state(oauth_state)\n\n        auth_url = MastodonOAuth.authorization_url(instance, app.client_id, redirect_uri, state)","newString":"        oauth_state = MastodonOAuth::OAuthState.new(state, instance, nil, instance_type, is_native)\n        ACTOR_STORE.save_oauth_state(oauth_state)\n\n        auth_url = MastodonOAuth.authorization_url(instance, app.client_id, redirect_uri, state)","originalFile":"require \"http/server\"\nrequire \"json\"\nrequire \"random/secure\"\nrequire \"sqlite3\"\n\nrequire \"./models/actor\"\nrequire \"./models/follow\"\nrequire \"./models/activity\"\nrequire \"./models/list\"\nrequire \"./stores/actor_store\"\nrequire \"./stores/follow_store\"\nrequire \"./lib/http_signature\"\nrequire \"./lib/federation\"\nrequire \"./lib/mastodon_oauth\"\n\n# Configuration\nDOMAIN       = ENV[\"DOMAIN\"]? || \"josie.place\"\nAPI_BASE_URL = ENV[\"API_BASE_URL\"]? || \"https://live-api.#{DOMAIN}\"\nDB_PATH      = ENV[\"DB_PATH\"]? || \"./data/josieplace.db\"\nINVITE_CODES = (ENV[\"INVITE_CODES\"]? || \"\").split(\",\").map(&.strip).reject(&.empty?)\n\n# Content types\nCT_JSON        = \"application/json\"\nCT_ACTIVITYPUB = \"application/activity+json\"\nCT_JRD         = \"application/jrd+json\"\n\n# Initialize stores\nDir.mkdir_p(File.dirname(DB_PATH)) rescue nil\nACTOR_STORE    = ActorStore.new(DB_PATH)\nFOLLOW_STORE   = FollowStore.new(ACTOR_STORE.@db)\nDELIVERY_QUEUE = Federation::DeliveryQueue.new\n\n# Seed invite codes from env\nINVITE_CODES.each do |code|\n  ACTOR_STORE.create_invite(code) rescue nil\nend\n\n# Location and Session (existing)\n\nstruct Location\n  include JSON::Serializable\n\n  property lat : Float64\n  property lng : Float64\n  property accuracy : Float64\n  property speed : Float64?\n  property heading : Float64?\n  property timestamp : Time\n  property active : Bool\n  property expires : Time?\n\n  def initialize(@lat, @lng, @accuracy, @speed = nil, @heading = nil, @timestamp = Time.utc, @active = true, @expires = nil)\n  end\nend\n\nenum SessionVisibility\n  Public\n  FollowersOnly\n  Unlisted\nend\n\nclass Session\n  property id : String\n  property location : Location?\n  property clients : Array(Channel(Location))\n  property remote_subscribers : Array(String)\n  property created_at : Time\n  property last_update : Time\n  property active : Bool\n  property owner_id : String?\n  property visibility : SessionVisibility\n  property list_ids : Array(String)\n  property last_broadcast_times : Hash(String, Time)  # remote_actor_url => last broadcast time\n\n  def initialize(@id, @owner_id = nil, @visibility = SessionVisibility::Public, @list_ids = [] of String)\n    @location = nil\n    @clients = [] of Channel(Location)\n    @remote_subscribers = [] of String\n    @created_at = Time.utc\n    @last_update = Time.utc\n    @active = true\n    @mutex = Mutex.new\n    @list_ids = list_ids\n    @last_broadcast_times = {} of String => Time\n  end\n\n  def update(loc : Location)\n    @mutex.synchronize do\n      @location = loc\n      @last_update = Time.utc\n      @active = true\n    end\n    broadcast(loc)\n    notify_remote_subscribers(loc)\n    broadcast_to_lists(loc)\n  end\n\n  def get : Location?\n    @mutex.synchronize { @location }\n  end\n\n  def set_inactive\n    @mutex.synchronize do\n      @active = false\n      if loc = @location\n        @location = Location.new(\n          lat: loc.lat, lng: loc.lng, accuracy: loc.accuracy,\n          speed: loc.speed, heading: loc.heading,\n          timestamp: loc.timestamp, active: false\n        )\n      end\n    end\n    if loc = get\n      broadcast(loc)\n      notify_remote_subscribers(loc)\n    end\n  end\n\n  def subscribe : Channel(Location)\n    ch = Channel(Location).new(10)\n    @mutex.synchronize { @clients << ch }\n    ch\n  end\n\n  def unsubscribe(ch : Channel(Location))\n    @mutex.synchronize { @clients.delete(ch) }\n    ch.close rescue nil\n  end\n\n  def add_remote_subscriber(inbox_url : String)\n    @mutex.synchronize do\n      @remote_subscribers << inbox_url unless @remote_subscribers.includes?(inbox_url)\n    end\n  end\n\n  def remove_remote_subscriber(inbox_url : String)\n    @mutex.synchronize { @remote_subscribers.delete(inbox_url) }\n  end\n\n  def expired? : Bool\n    (Time.utc - @last_update) > 30.minutes\n  end\n\n  private def broadcast(loc : Location)\n    clients_copy = @mutex.synchronize { @clients.dup }\n    clients_copy.each { |ch| ch.send(loc) rescue nil }\n  end\n\n  private def notify_remote_subscribers(loc : Location)\n    return unless owner_id = @owner_id\n    owner = ACTOR_STORE.find_by_id(owner_id)\n    return unless owner && owner.local?\n\n    subscribers = @mutex.synchronize { @remote_subscribers.dup }\n    return if subscribers.empty?\n\n    location_data = {\n      lat:       loc.lat,\n      lng:       loc.lng,\n      accuracy:  loc.accuracy,\n      speed:     loc.speed,\n      heading:   loc.heading,\n      timestamp: loc.timestamp,\n      expires:   loc.expires,\n    }\n\n    activity = ActivityBuilder.create_place_update(\n      owner.id,\n      @id,\n      location_data,\n      subscribers\n    )\n\n    subscribers.each do |inbox_url|\n      DELIVERY_QUEUE.enqueue(inbox_url, activity, owner)\n    end\n  end\n\n  # Broadcast location to list members with symmetric relationships\n  def broadcast_to_lists(loc : Location)\n    return unless owner_id = @owner_id\n    owner = ACTOR_STORE.find_by_id(owner_id)\n    return unless owner && owner.local?\n\n    list_ids_copy = @mutex.synchronize { @list_ids.dup }\n    return if list_ids_copy.empty?\n\n    # Get all shareable actors (symmetric relationship exists)\n    shareable = ACTOR_STORE.get_shareable_actors(owner_id, list_ids_copy)\n    return if shareable.empty?\n\n    now = Time.utc\n\n    shareable.each do |remote_actor_url, remote_acct, interval_seconds, accuracy|\n      # Check throttling\n      last_time = @mutex.synchronize { @last_broadcast_times[remote_actor_url]? }\n      if last_time && (now - last_time).total_seconds < interval_seconds\n        next  # Skip, not enough time has passed\n      end\n\n      # Apply accuracy fuzzing\n      fuzzed_lat, fuzzed_lng = accuracy.fuzz_location(loc.lat, loc.lng)\n\n      # Get remote actor's inbox\n      remote_actor = ACTOR_STORE.find_by_id(remote_actor_url)\n      unless remote_actor\n        # Try to fetch and cache\n        remote_actor = Federation.fetch_actor(remote_actor_url, owner)\n        ACTOR_STORE.upsert_remote(remote_actor) if remote_actor\n      end\n      next unless remote_actor\n\n      # Build location update activity\n      activity = JSON.build do |json|\n        json.object do\n          json.field \"@context\", [\"https://www.w3.org/ns/activitystreams\", {\n            \"Place\" => \"https://www.w3.org/ns/activitystreams#Place\",\n            \"latitude\" => \"https://www.w3.org/ns/activitystreams#latitude\",\n            \"longitude\" => \"https://www.w3.org/ns/activitystreams#longitude\",\n            \"accuracy\" => \"https://www.w3.org/ns/activitystreams#accuracy\",\n          }]\n          json.field \"id\", \"https://#{DOMAIN}/activities/#{Random::Secure.hex(16)}\"\n          json.field \"type\", \"Update\"\n          json.field \"actor\", owner.id\n          json.field \"published\", now.to_rfc3339\n          json.field \"to\", [remote_actor_url]\n          json.field \"object\" do\n            json.object do\n              json.field \"type\", \"Place\"\n              json.field \"name\", \"Current Location\"\n              json.field \"latitude\", fuzzed_lat\n              json.field \"longitude\", fuzzed_lng\n              json.field \"accuracy\", loc.accuracy if accuracy == LocationAccuracy::Exact\n              json.field \"speed\", loc.speed if loc.speed && accuracy == LocationAccuracy::Exact\n              json.field \"heading\", loc.heading if loc.heading && accuracy == LocationAccuracy::Exact\n              json.field \"updated\", now.to_rfc3339\n            end\n          end\n        end\n      end\n\n      # Queue delivery\n      DELIVERY_QUEUE.enqueue(remote_actor.inbox, activity, owner)\n\n      # Update last broadcast time\n      @mutex.synchronize { @last_broadcast_times[remote_actor_url] = now }\n    end\n  end\nend\n\nclass SessionStore\n  def initialize\n    @sessions = {} of String => Session\n    @mutex = Mutex.new\n    start_cleanup\n  end\n\n  def create(owner_id : String? = nil, visibility : SessionVisibility = SessionVisibility::Public, list_ids : Array(String) = [] of String) : Session\n    id = generate_id\n    session = Session.new(id, owner_id, visibility, list_ids)\n    @mutex.synchronize { @sessions[id] = session }\n    session\n  end\n\n  def get(id : String) : Session?\n    @mutex.synchronize { @sessions[id]? }\n  end\n\n  def delete(id : String)\n    @mutex.synchronize do\n      if session = @sessions.delete(id)\n        session.set_inactive\n      end\n    end\n  end\n\n  def find_by_owner(owner_id : String) : Array(Session)\n    @mutex.synchronize do\n      @sessions.values.select { |s| s.owner_id == owner_id && s.active }\n    end\n  end\n\n  private def generate_id : String\n    bytes = Random::Secure.random_bytes(6)\n    part1 = bytes[0, 3].hexstring[0, 4]\n    part2 = bytes[3, 3].hexstring[0, 4]\n    \"#{part1}-#{part2}\"\n  end\n\n  private def start_cleanup\n    spawn do\n      loop do\n        sleep 10.minutes\n        @mutex.synchronize do\n          @sessions.reject! { |_, s| s.expired? }\n        end\n      end\n    end\n  end\nend\n\nSESSIONS = SessionStore.new\n\n# Friend location tracking (in-memory, keyed by local_actor_id -> remote_actor_url -> location)\nstruct FriendLocation\n  include JSON::Serializable\n\n  property remote_actor_url : String\n  property remote_actor_acct : String\n  property lat : Float64\n  property lng : Float64\n  property accuracy : Float64?\n  property speed : Float64?\n  property heading : Float64?\n  property updated_at : Time\n\n  def initialize(\n    @remote_actor_url : String,\n    @remote_actor_acct : String,\n    @lat : Float64,\n    @lng : Float64,\n    @accuracy : Float64? = nil,\n    @speed : Float64? = nil,\n    @heading : Float64? = nil,\n    @updated_at : Time = Time.utc\n  )\n  end\n\n  def expired? : Bool\n    (Time.utc - @updated_at) > 30.minutes\n  end\nend\n\nclass FriendLocationsStore\n  def initialize\n    # local_actor_id => { remote_actor_url => FriendLocation }\n    @locations = {} of String => Hash(String, FriendLocation)\n    @mutex = Mutex.new\n    start_cleanup\n  end\n\n  def update(local_actor_id : String, location : FriendLocation)\n    @mutex.synchronize do\n      @locations[local_actor_id] ||= {} of String => FriendLocation\n      @locations[local_actor_id][location.remote_actor_url] = location\n    end\n  end\n\n  def get_all(local_actor_id : String) : Array(FriendLocation)\n    @mutex.synchronize do\n      if locs = @locations[local_actor_id]?\n        locs.values.reject(&.expired?)\n      else\n        [] of FriendLocation\n      end\n    end\n  end\n\n  def remove(local_actor_id : String, remote_actor_url : String)\n    @mutex.synchronize do\n      if locs = @locations[local_actor_id]?\n        locs.delete(remote_actor_url)\n      end\n    end\n  end\n\n  private def start_cleanup\n    spawn do\n      loop do\n        sleep 5.minutes\n        @mutex.synchronize do\n          @locations.each do |_, locs|\n            locs.reject! { |_, loc| loc.expired? }\n          end\n          @locations.reject! { |_, locs| locs.empty? }\n        end\n      end\n    end\n  end\nend\n\nFRIEND_LOCATIONS = FriendLocationsStore.new\n\n# Auth helpers\n\nstruct AuthResult\n  property authenticated : Bool\n  property actor : Actor?\n\n  def initialize(@authenticated, @actor = nil)\n  end\nend\n\ndef check_auth(context) : AuthResult\n  auth_header = context.request.headers[\"Authorization\"]?\n\n  if auth_header && auth_header.starts_with?(\"Bearer \")\n    token = auth_header[7..]\n\n    if actor = ACTOR_STORE.find_by_token(token)\n      return AuthResult.new(authenticated: true, actor: actor)\n    end\n  end\n\n  AuthResult.new(authenticated: false)\nend\n\ndef check_http_signature(context) : Actor?\n  key_id = HTTPSignature.extract_key_id(context.request)\n  return nil unless key_id\n\n  # Try cache first\n  pem = ACTOR_STORE.get_cached_key(key_id)\n\n  unless pem\n    result = Federation.fetch_public_key(key_id)\n    return nil unless result\n    actor_id, pem = result\n    ACTOR_STORE.cache_remote_key(key_id, actor_id, pem)\n  end\n\n  public_key = OpenSSL::PKey::RSA.new(pem)\n  return nil unless HTTPSignature.verify(context.request, public_key)\n\n  actor_url = key_id.split(\"#\").first\n  actor = ACTOR_STORE.find_by_id(actor_url)\n  return actor if actor\n\n  # Fetch and cache remote actor\n  remote_actor = Federation.fetch_actor(actor_url)\n  return nil unless remote_actor\n\n  ACTOR_STORE.upsert_remote(remote_actor)\nend\n\ndef cors_headers(context, origin = \"*\")\n  context.response.headers[\"Access-Control-Allow-Origin\"] = origin\n  context.response.headers[\"Access-Control-Allow-Methods\"] = \"GET, POST, PUT, PATCH, DELETE, OPTIONS\"\n  context.response.headers[\"Access-Control-Allow-Headers\"] = \"Content-Type, Authorization, Accept, Signature, Date, Digest\"\n  context.response.headers[\"Access-Control-Allow-Credentials\"] = \"true\"\nend\n\ndef extract_session_id(path : String) : String?\n  if match = path.match(/^\\/api\\/session\\/([a-f0-9]{4}-[a-f0-9]{4})/)\n    match[1]\n  else\n    nil\n  end\nend\n\ndef extract_username(path : String) : String?\n  if match = path.match(/^\\/users\\/([a-zA-Z0-9_-]+)/)\n    match[1]\n  else\n    nil\n  end\nend\n\ndef wants_activitypub?(context) : Bool\n  accept = context.request.headers[\"Accept\"]? || \"\"\n  accept.includes?(\"application/activity+json\") ||\n    accept.includes?(\"application/ld+json\")\nend\n\n# HTTP Server\n\nserver = HTTP::Server.new do |context|\n  origin = context.request.headers[\"Origin\"]? || \"*\"\n  cors_headers(context, origin)\n\n  if context.request.method == \"OPTIONS\"\n    context.response.status = HTTP::Status::OK\n    next\n  end\n\n  path = context.request.path\n  method = context.request.method\n\n  case {path, method}\n  # ============================================\n  # WebFinger\n  # ============================================\n  when {\"/.well-known/webfinger\", \"GET\"}\n    resource = context.request.query_params[\"resource\"]?\n    unless resource\n      context.response.status = HTTP::Status::BAD_REQUEST\n      context.response.print(%({\"error\": \"Missing resource parameter\"}))\n      next\n    end\n\n    # Parse acct:username@domain\n    acct = resource.sub(/^acct:/, \"\")\n    parts = acct.split(\"@\")\n    unless parts.size == 2 && parts[1] == DOMAIN\n      context.response.status = HTTP::Status::NOT_FOUND\n      context.response.print(%({\"error\": \"User not found\"}))\n      next\n    end\n\n    username = parts[0]\n    actor = ACTOR_STORE.find_by_username(username)\n    unless actor\n      context.response.status = HTTP::Status::NOT_FOUND\n      context.response.print(%({\"error\": \"User not found\"}))\n      next\n    end\n\n    context.response.content_type = CT_JRD\n    context.response.print(JSON.build do |json|\n      json.object do\n        json.field \"subject\", \"acct:#{actor.acct}\"\n        json.field \"aliases\", [actor.id]\n        json.field \"links\" do\n          json.array do\n            json.object do\n              json.field \"rel\", \"self\"\n              json.field \"type\", CT_ACTIVITYPUB\n              json.field \"href\", actor.id\n            end\n            json.object do\n              json.field \"rel\", \"http://webfinger.net/rel/profile-page\"\n              json.field \"type\", \"text/html\"\n              json.field \"href\", actor.id\n            end\n          end\n        end\n      end\n    end)\n\n    # ============================================\n    # NodeInfo\n    # ============================================\n  when {\"/.well-known/nodeinfo\", \"GET\"}\n    context.response.content_type = CT_JSON\n    context.response.print(JSON.build do |json|\n      json.object do\n        json.field \"links\" do\n          json.array do\n            json.object do\n              json.field \"rel\", \"http://nodeinfo.diaspora.software/ns/schema/2.1\"\n              json.field \"href\", \"https://#{DOMAIN}/nodeinfo/2.1\"\n            end\n          end\n        end\n      end\n    end)\n  when {\"/nodeinfo/2.1\", \"GET\"}\n    local_users = ACTOR_STORE.find_local_actors.size\n    context.response.content_type = CT_JSON\n    context.response.print(JSON.build do |json|\n      json.object do\n        json.field \"version\", \"2.1\"\n        json.field \"software\" do\n          json.object do\n            json.field \"name\", \"josie.place\"\n            json.field \"version\", \"0.2.0\"\n            json.field \"repository\", \"https://github.com/josie/place\"\n          end\n        end\n        json.field \"protocols\", [\"activitypub\"]\n        json.field \"services\" do\n          json.object do\n            json.field \"outbound\", [] of String\n            json.field \"inbound\", [] of String\n          end\n        end\n        json.field \"usage\" do\n          json.object do\n            json.field \"users\" do\n              json.object do\n                json.field \"total\", local_users\n                json.field \"activeMonth\", local_users\n                json.field \"activeHalfyear\", local_users\n              end\n            end\n            json.field \"localPosts\", 0\n          end\n        end\n        json.field \"openRegistrations\", !INVITE_CODES.empty?\n        json.field \"metadata\" do\n          json.object do\n            json.field \"nodeName\", \"josie.place\"\n            json.field \"nodeDescription\", \"Live location sharing\"\n          end\n        end\n      end\n    end)\n\n    # ============================================\n    # Mastodon OAuth: Start login flow\n    # ============================================\n  when {\"/api/auth/start\", \"POST\"}\n    begin\n      body = context.request.body.try(&.gets_to_end) || \"\"\n      data = JSON.parse(body)\n\n      instance = data[\"instance\"]?.try(&.as_s?)\n      unless instance\n        context.response.status = HTTP::Status::BAD_REQUEST\n        context.response.print(%({\"error\": \"Missing instance parameter\"}))\n        next\n      end\n\n      is_native = data[\"native\"]?.try(&.as_bool?) || false\n\n      # Normalize instance domain\n      instance = instance.downcase.strip\n      instance = instance.sub(/^https?:\\/\\//, \"\").split(\"/\").first\n\n      redirect_uri = \"#{API_BASE_URL}/api/auth/callback\"\n\n      # Detect instance type\n      instance_type = MastodonOAuth.detect_instance_type(instance)\n      if instance_type == MastodonOAuth::InstanceType::Unknown\n        context.response.status = HTTP::Status::BAD_GATEWAY\n        context.response.print(%({\"error\": \"Unknown instance type\"}))\n        next\n      end\n\n      state = MastodonOAuth.generate_state\n      auth_url : String\n\n      if instance_type == MastodonOAuth::InstanceType::Misskey\n        # Misskey/Sharkey: Use MiAuth (simpler and more reliable than their OAuth)\n        session_id = MastodonOAuth.generate_miauth_session\n\n        # Store session_id in code_verifier field (reusing existing schema)\n        oauth_state = MastodonOAuth::OAuthState.new(state, instance, session_id, instance_type, is_native)\n        ACTOR_STORE.save_oauth_state(oauth_state)\n\n        # MiAuth callback includes the session ID, so we encode state in the callback URL\n        callback_url = \"#{redirect_uri}?state=#{state}\"\n        auth_url = MastodonOAuth.miauth_authorization_url(instance, session_id, callback_url)\n      else\n        # Mastodon: Register app and use standard OAuth\n        app = ACTOR_STORE.get_oauth_app(instance)\n        unless app\n          app = MastodonOAuth.register_app(instance, redirect_uri)\n          unless app\n            context.response.status = HTTP::Status::BAD_GATEWAY\n            context.response.print(%({\"error\": \"Failed to register with instance\"}))\n            next\n          end\n          ACTOR_STORE.save_oauth_app(app)\n        end\n\n        oauth_state = MastodonOAuth::OAuthState.new(state, instance, nil, instance_type)\n        ACTOR_STORE.save_oauth_state(oauth_state)\n\n        auth_url = MastodonOAuth.authorization_url(instance, app.client_id, redirect_uri, state)\n      end\n\n      # Clean up old states\n      ACTOR_STORE.cleanup_old_oauth_states\n\n      context.response.content_type = CT_JSON\n      context.response.print(%({\"url\": \"#{auth_url}\"}))\n    rescue ex\n      puts \"Auth start error: #{ex.message}\"\n      context.response.status = HTTP::Status::BAD_REQUEST\n      context.response.print(%({\"error\": \"Invalid request\"}))\n    end\n    # ============================================\n    # Mastodon OAuth / MiAuth: Callback\n    # ============================================\n  when {\"/api/auth/callback\", \"GET\"}\n    code = context.request.query_params[\"code\"]?\n    state = context.request.query_params[\"state\"]?\n\n    # state is required for both flows\n    unless state\n      context.response.status = HTTP::Status::BAD_REQUEST\n      context.response.content_type = \"text/html\"\n      context.response.print(\"<h1>Error</h1><p>Missing state parameter</p>\")\n      next\n    end\n\n    # Verify state\n    oauth_state = ACTOR_STORE.get_oauth_state(state)\n    unless oauth_state\n      context.response.status = HTTP::Status::BAD_REQUEST\n      context.response.content_type = \"text/html\"\n      context.response.print(\"<h1>Error</h1><p>Invalid or expired state</p>\")\n      next\n    end\n\n    # For Mastodon, code is required; for MiAuth, it's not\n    if oauth_state.instance_type == MastodonOAuth::InstanceType::Mastodon && !code\n      context.response.status = HTTP::Status::BAD_REQUEST\n      context.response.content_type = \"text/html\"\n      context.response.print(\"<h1>Error</h1><p>Missing code parameter</p>\")\n      next\n    end\n\n    # Delete used state\n    ACTOR_STORE.delete_oauth_state(state)\n\n    # Check state age (10 min max)\n    if Time.utc - oauth_state.created_at > 10.minutes\n      context.response.status = HTTP::Status::BAD_REQUEST\n      context.response.content_type = \"text/html\"\n      context.response.print(\"<h1>Error</h1><p>State expired</p>\")\n      next\n    end\n\n    instance = oauth_state.instance_domain\n    instance_type = oauth_state.instance_type\n    redirect_uri = \"#{API_BASE_URL}/api/auth/callback\"\n\n    # Exchange code for token (different flow for Misskey vs Mastodon)\n    access_token : String?\n    account_id : String\n    account_username : String\n    account_display_name : String\n    account_url : String\n\n    if instance_type == MastodonOAuth::InstanceType::Misskey\n      # Misskey/Sharkey: Use MiAuth - session_id is stored in code_verifier field\n      session_id = oauth_state.code_verifier\n      unless session_id\n        context.response.status = HTTP::Status::BAD_REQUEST\n        context.response.content_type = \"text/html\"\n        context.response.print(\"<h1>Error</h1><p>Missing session_id for MiAuth flow</p>\")\n        next\n      end\n\n      # MiAuth check - no code needed, just the session ID\n      access_token = MastodonOAuth.miauth_check(instance, session_id)\n      unless access_token\n        context.response.status = HTTP::Status::BAD_GATEWAY\n        context.response.content_type = \"text/html\"\n        context.response.print(\"<h1>Error</h1><p>Failed to get access token from MiAuth</p>\")\n        next\n      end\n\n      # Get Misskey user info\n      misskey_account = MastodonOAuth.misskey_verify_credentials(instance, access_token)\n      unless misskey_account\n        context.response.status = HTTP::Status::BAD_GATEWAY\n        context.response.content_type = \"text/html\"\n        context.response.print(\"<h1>Error</h1><p>Failed to verify credentials</p>\")\n        next\n      end\n\n      account_id = misskey_account.id\n      account_username = misskey_account.username\n      account_display_name = misskey_account.name || misskey_account.username\n      account_url = \"https://#{instance}/@#{misskey_account.username}\"\n    else\n      # Mastodon: Standard OAuth flow\n      app = ACTOR_STORE.get_oauth_app(instance)\n      unless app\n        context.response.status = HTTP::Status::INTERNAL_SERVER_ERROR\n        context.response.content_type = \"text/html\"\n        context.response.print(\"<h1>Error</h1><p>App not found for instance</p>\")\n        next\n      end\n\n      access_token = MastodonOAuth.exchange_code(instance, app.client_id, app.client_secret, redirect_uri, code.not_nil!)\n      unless access_token\n        context.response.status = HTTP::Status::BAD_GATEWAY\n        context.response.content_type = \"text/html\"\n        context.response.print(\"<h1>Error</h1><p>Failed to get access token</p>\")\n        next\n      end\n\n      # Get Mastodon user info\n      account = MastodonOAuth.verify_credentials(instance, access_token)\n      unless account\n        context.response.status = HTTP::Status::BAD_GATEWAY\n        context.response.content_type = \"text/html\"\n        context.response.print(\"<h1>Error</h1><p>Failed to verify credentials</p>\")\n        next\n      end\n\n      account_id = account.id\n      account_username = account.username\n      account_display_name = account.display_name\n      account_url = account.url\n    end\n\n    # Find or create local actor\n    actor = ACTOR_STORE.find_actor_by_remote(instance, account_id)\n\n    unless actor\n      # Create new local actor linked to this remote account\n      # Format: username_domain_tld (e.g., josie_fedi_josie_place)\n      username = \"#{account_username}_#{instance.gsub(\".\", \"_\")}\"\n      # Ensure unique username\n      base_username = username\n      counter = 1\n      while ACTOR_STORE.find_by_username(username)\n        username = \"#{base_username}#{counter}\"\n        counter += 1\n      end\n\n      actor = Actor.create_local(username, DOMAIN, account_display_name)\n      ACTOR_STORE.create(actor)\n\n      # Link to remote account\n      link = MastodonOAuth::ActorLink.new(\n        local_actor_id: actor.id,\n        remote_instance: instance,\n        remote_account_id: account_id,\n        remote_actor_url: account_url,\n        remote_username: account_username,\n        access_token: access_token\n      )\n      ACTOR_STORE.save_actor_link(link)\n    end\n\n    # Return HTML page that posts token to opener and closes\n    context.response.content_type = \"text/html\"\n    context.response.print(<<-HTML\n    <!DOCTYPE html>\n    <html>\n    <head><title>Login successful</title></head>\n    <body>\n      <h1>Login successful</h1>\n      <p>You can close this window.</p>\n      <script>\n        if (window.opener) {\n          window.opener.postMessage({\n            type: 'oauth_success',\n            token: '#{actor.token}',\n            username: '#{actor.username}',\n            actorId: '#{actor.id}'\n          }, 'https://#{DOMAIN}');\n          window.close();\n        }\n      </script>\n    </body>\n    </html>\n    HTML\n    )\n\n    # ============================================\n    # Shared Inbox (for efficiency)\n    # ============================================\n  when {\"/inbox\", \"POST\"}\n    actor = check_http_signature(context)\n    unless actor\n      context.response.status = HTTP::Status::UNAUTHORIZED\n      context.response.print(%({\"error\": \"Invalid signature\"}))\n      next\n    end\n\n    body = context.request.body.try(&.gets_to_end) || \"\"\n    activity = Activity.from_json_any(JSON.parse(body))\n    unless activity\n      context.response.status = HTTP::Status::BAD_REQUEST\n      context.response.print(%({\"error\": \"Invalid activity\"}))\n      next\n    end\n\n    # Route to appropriate local actor inbox\n    # For now, just accept\n    context.response.status = HTTP::Status::ACCEPTED\n    context.response.print(%({\"ok\": true}))\n\n    # ============================================\n    # Lists API: Get all lists\n    # ============================================\n  when {\"/api/lists\", \"GET\"}\n    auth = check_auth(context)\n    unless auth.authenticated && auth.actor\n      context.response.status = HTTP::Status::UNAUTHORIZED\n      context.response.print(%({\"error\": \"Unauthorized\"}))\n      next\n    end\n\n    lists = ACTOR_STORE.get_lists_for_actor(auth.actor.not_nil!.id)\n    context.response.content_type = CT_JSON\n    context.response.print(JSON.build do |json|\n      json.array do\n        lists.each { |list| list.to_json(json) }\n      end\n    end)\n\n    # ============================================\n    # Lists API: Create a list\n    # ============================================\n  when {\"/api/lists\", \"POST\"}\n    auth = check_auth(context)\n    unless auth.authenticated && auth.actor\n      context.response.status = HTTP::Status::UNAUTHORIZED\n      context.response.print(%({\"error\": \"Unauthorized\"}))\n      next\n    end\n\n    begin\n      body = context.request.body.try(&.gets_to_end) || \"\"\n      data = JSON.parse(body)\n\n      name = data[\"name\"]?.try(&.as_s?)\n      unless name && !name.empty?\n        context.response.status = HTTP::Status::BAD_REQUEST\n        context.response.print(%({\"error\": \"Name is required\"}))\n        next\n      end\n\n      interval = data[\"update_interval_seconds\"]?.try(&.as_i?) || 30\n      accuracy_str = data[\"accuracy\"]?.try(&.as_s?) || \"exact\"\n      accuracy = LocationAccuracy.parse?(accuracy_str) || LocationAccuracy::Exact\n\n      list = LocationList.new(\n        id: LocationList.generate_id,\n        owner_actor_id: auth.actor.not_nil!.id,\n        name: name,\n        update_interval_seconds: interval,\n        accuracy: accuracy\n      )\n      ACTOR_STORE.create_list(list)\n\n      context.response.status = HTTP::Status::CREATED\n      context.response.content_type = CT_JSON\n      context.response.print(JSON.build { |json| list.to_json(json) })\n    rescue ex\n      context.response.status = HTTP::Status::BAD_REQUEST\n      context.response.print(%({\"error\": \"Invalid request\"}))\n    end\n\n    # ============================================\n    # API: Create session (with optional list_ids for federated broadcasting)\n    # ============================================\n  when {\"/api/session\", \"POST\"}\n    auth = check_auth(context)\n    unless auth.authenticated\n      context.response.status = HTTP::Status::UNAUTHORIZED\n      context.response.print(%({\"error\": \"Unauthorized\"}))\n      next\n    end\n\n    owner_id = auth.actor.try(&.id)\n    list_ids = [] of String\n\n    # Parse optional list_ids from request body\n    begin\n      body = context.request.body.try(&.gets_to_end) || \"\"\n      unless body.empty?\n        data = JSON.parse(body)\n        if ids = data[\"list_ids\"]?.try(&.as_a?)\n          list_ids = ids.compact_map(&.as_s?)\n        end\n      end\n    rescue\n      # Ignore parse errors, just use empty list_ids\n    end\n\n    session = SESSIONS.create(owner_id, SessionVisibility::Public, list_ids)\n    context.response.content_type = CT_JSON\n    context.response.print(JSON.build do |json|\n      json.object do\n        json.field \"id\", session.id\n        json.field \"list_ids\", list_ids\n      end\n    end)\n\n    # ============================================\n    # Health check\n    # ============================================\n  when {\"/health\", \"GET\"}\n    context.response.content_type = CT_JSON\n    context.response.print(%({\"status\": \"ok\"}))\n\n    # ============================================\n    # Test endpoint: Add fake friend location (dev only)\n    # ============================================\n  when {\"/api/test/friend-location\", \"POST\"}\n    auth = check_auth(context)\n    unless auth.authenticated && auth.actor\n      context.response.status = HTTP::Status::UNAUTHORIZED\n      context.response.print(%({\"error\": \"Unauthorized\"}))\n      next\n    end\n\n    begin\n      body = context.request.body.try(&.gets_to_end) || \"\"\n      data = JSON.parse(body)\n\n      actor = auth.actor.not_nil!\n      friend_loc = FriendLocation.new(\n        remote_actor_url: data[\"actor_url\"].as_s,\n        remote_actor_acct: data[\"acct\"].as_s,\n        lat: data[\"lat\"].as_f,\n        lng: data[\"lng\"].as_f,\n        accuracy: data[\"accuracy\"]?.try(&.as_f?),\n        updated_at: Time.utc\n      )\n      FRIEND_LOCATIONS.update(actor.id, friend_loc)\n\n      context.response.content_type = CT_JSON\n      context.response.print(%({\"ok\": true}))\n    rescue ex\n      context.response.status = HTTP::Status::BAD_REQUEST\n      context.response.print(%({\"error\": \"#{ex.message}\"}))\n    end\n  else\n    # ============================================\n    # Lists API: /api/lists/:id/*\n    # ============================================\n    if path.starts_with?(\"/api/lists/\")\n      auth = check_auth(context)\n      unless auth.authenticated && auth.actor\n        context.response.status = HTTP::Status::UNAUTHORIZED\n        context.response.print(%({\"error\": \"Unauthorized\"}))\n        next\n      end\n\n      actor = auth.actor.not_nil!\n      parts = path.sub(\"/api/lists/\", \"\").split(\"/\")\n      list_id = parts[0]\n      subpath = parts.size > 1 ? \"/#{parts[1..-1].join(\"/\")}\" : \"\"\n\n      list = ACTOR_STORE.get_list(list_id)\n      unless list && list.owner_actor_id == actor.id\n        context.response.status = HTTP::Status::NOT_FOUND\n        context.response.print(%({\"error\": \"List not found\"}))\n        next\n      end\n\n      case {subpath, method}\n      # Get single list\n      when {\"\", \"GET\"}\n        context.response.content_type = CT_JSON\n        context.response.print(JSON.build { |json| list.to_json(json) })\n\n        # Update list\n      when {\"\", \"PATCH\"}\n        begin\n          body = context.request.body.try(&.gets_to_end) || \"\"\n          data = JSON.parse(body)\n\n          updated_list = LocationList.new(\n            id: list.id,\n            owner_actor_id: list.owner_actor_id,\n            name: data[\"name\"]?.try(&.as_s?) || list.name,\n            update_interval_seconds: data[\"update_interval_seconds\"]?.try(&.as_i?) || list.update_interval_seconds,\n            accuracy: data[\"accuracy\"]?.try(&.as_s?).try { |s| LocationAccuracy.parse?(s) } || list.accuracy,\n            created_at: list.created_at,\n            updated_at: Time.utc\n          )\n          ACTOR_STORE.update_list(updated_list)\n\n          context.response.content_type = CT_JSON\n          context.response.print(JSON.build { |json| updated_list.to_json(json) })\n        rescue ex\n          context.response.status = HTTP::Status::BAD_REQUEST\n          context.response.print(%({\"error\": \"Invalid request\"}))\n        end\n        # Delete list\n      when {\"\", \"DELETE\"}\n        ACTOR_STORE.delete_list(list_id)\n        context.response.status = HTTP::Status::NO_CONTENT\n\n        # Get list members\n      when {\"/members\", \"GET\"}\n        members = ACTOR_STORE.get_list_members(list_id)\n        context.response.content_type = CT_JSON\n        context.response.print(JSON.build do |json|\n          json.array do\n            members.each { |m| m.to_json(json) }\n          end\n        end)\n\n        # Add member to list\n      when {\"/members\", \"POST\"}\n        begin\n          body = context.request.body.try(&.gets_to_end) || \"\"\n          data = JSON.parse(body)\n\n          acct = data[\"acct\"]?.try(&.as_s?)\n          unless acct && !acct.empty?\n            context.response.status = HTTP::Status::BAD_REQUEST\n            context.response.print(%({\"error\": \"acct is required (e.g., user@example.com)\"}))\n            next\n          end\n\n          # Normalize acct: trim whitespace and remove leading @\n          acct = acct.strip\n          if acct.starts_with?('@')\n            acct = acct[1..]\n          end\n\n          puts \"Adding member: acct=#{acct}\"\n\n          # Check if already a member\n          existing = ACTOR_STORE.get_list_members(list_id).find { |m| m.remote_actor_acct == acct }\n          if existing\n            context.response.status = HTTP::Status::CONFLICT\n            context.response.print(%({\"error\": \"Already a member\"}))\n            next\n          end\n\n          # Validate acct format\n          parts = acct.split(\"@\")\n          if parts.size != 2\n            context.response.status = HTTP::Status::BAD_REQUEST\n            context.response.print(%({\"error\": \"Invalid acct format\"}))\n            next\n          end\n\n          # Lookup actor via WebFinger\n          remote_actor_url = Federation.webfinger(acct)\n          unless remote_actor_url\n            context.response.status = HTTP::Status::NOT_FOUND\n            context.response.print(%({\"error\": \"Could not find user via WebFinger\"}))\n            next\n          end\n\n          # Fetch remote actor to get their inbox (signed for servers that require it)\n          remote_actor = Federation.fetch_actor(remote_actor_url, actor)\n          unless remote_actor\n            context.response.status = HTTP::Status::NOT_FOUND\n            context.response.print(%({\"error\": \"Could not fetch remote actor\"}))\n            next\n          end\n\n          member = ListMember.new(\n            id: ListMember.generate_id,\n            list_id: list_id,\n            remote_actor_url: remote_actor_url,\n            remote_actor_acct: acct,\n            status: \"pending\"\n          )\n          ACTOR_STORE.add_list_member(member)\n\n          # Check if this remote user has a local josie.place account\n          # Use username/domain since actor_links stores web profile URL, not ActivityPub URL\n          local_recipient = ACTOR_STORE.find_local_actor_by_remote_acct(parts[0], parts[1])\n          if local_recipient\n            # Create IncomingShare directly for local user\n            puts \"Creating local incoming share for #{local_recipient.username}\"\n            existing_share = ACTOR_STORE.find_incoming_share_by_actor(local_recipient.id, actor.id)\n            unless existing_share\n              share = IncomingShare.new(\n                id: IncomingShare.generate_id,\n                local_actor_id: local_recipient.id,\n                remote_actor_url: actor.id,\n                remote_actor_acct: actor.acct\n              )\n              ACTOR_STORE.create_incoming_share(share)\n              puts \"Created incoming share from #{actor.acct} to #{local_recipient.username}\"\n            end\n          else\n            # Send ActivityPub Invite to remote actor\n            puts \"Sending ActivityPub invite to #{remote_actor.inbox}\"\n            invite_id = \"https://#{DOMAIN}/activities/#{Random::Secure.hex(16)}\"\n            invite_activity = JSON.build do |json|\n              json.object do\n                json.field \"@context\", \"https://www.w3.org/ns/activitystreams\"\n                json.field \"id\", invite_id\n                json.field \"type\", \"Invite\"\n                json.field \"actor\", actor.id\n                json.field \"object\" do\n                  json.object do\n                    json.field \"type\", \"Application\"\n                    json.field \"name\", \"josie.place Location Sharing\"\n                  end\n                end\n                json.field \"target\", remote_actor_url\n                json.field \"to\", [remote_actor_url]\n              end\n            end\n\n            # Queue delivery\n            DELIVERY_QUEUE.enqueue(remote_actor.inbox, invite_activity, actor)\n          end\n\n          context.response.status = HTTP::Status::CREATED\n          context.response.content_type = CT_JSON\n          context.response.print(JSON.build { |json| member.to_json(json) })\n        rescue ex\n          puts \"Add member error: #{ex.message}\"\n          context.response.status = HTTP::Status::BAD_REQUEST\n          context.response.print(%({\"error\": \"Invalid request\"}))\n        end\n      else\n        # Check for /members/:member_id DELETE\n        if subpath.starts_with?(\"/members/\") && method == \"DELETE\"\n          member_id = subpath.sub(\"/members/\", \"\")\n          puts \"Delete member: list_id=#{list_id}, member_id=#{member_id}\"\n          member = ACTOR_STORE.get_list_member(member_id)\n          puts \"Found member: #{member.inspect}\"\n          if member && member.list_id == list_id\n            ACTOR_STORE.delete_list_member(member_id)\n            context.response.status = HTTP::Status::NO_CONTENT\n          else\n            puts \"Member not found or list_id mismatch\"\n            context.response.status = HTTP::Status::NOT_FOUND\n            context.response.print(%({\"error\": \"Member not found\"}))\n          end\n        else\n          context.response.status = HTTP::Status::NOT_FOUND\n          context.response.print(%({\"error\": \"Not found\"}))\n        end\n      end\n      next\n    end\n\n    # ============================================\n    # Incoming Shares API: /api/shares/incoming/*\n    # ============================================\n    if path.starts_with?(\"/api/shares/incoming\")\n      auth = check_auth(context)\n      unless auth.authenticated && auth.actor\n        context.response.status = HTTP::Status::UNAUTHORIZED\n        context.response.print(%({\"error\": \"Unauthorized\"}))\n        next\n      end\n\n      actor = auth.actor.not_nil!\n\n      case {path, method}\n      # Get all incoming shares\n      when {\"/api/shares/incoming\", \"GET\"}\n        shares = ACTOR_STORE.get_incoming_shares_for_actor(actor.id)\n        context.response.content_type = CT_JSON\n        context.response.print(JSON.build do |json|\n          json.array do\n            shares.each { |s| s.to_json(json) }\n          end\n        end)\n      else\n        # Handle /api/shares/incoming/:id/accept or /decline\n        if path =~ /^\\/api\\/shares\\/incoming\\/([^\\/]+)\\/(accept|decline)$/ && method == \"POST\"\n          share_id = $1\n          action = $2\n\n          share = ACTOR_STORE.get_incoming_share(share_id)\n          unless share && share.local_actor_id == actor.id\n            context.response.status = HTTP::Status::NOT_FOUND\n            context.response.print(%({\"error\": \"Share not found\"}))\n            next\n          end\n\n          new_status = action == \"accept\" ? \"accepted\" : \"declined\"\n          accepted_at = action == \"accept\" ? Time.utc : nil\n          ACTOR_STORE.update_incoming_share_status(share_id, new_status, accepted_at)\n\n          context.response.content_type = CT_JSON\n          context.response.print(%({\"status\": \"#{new_status}\"}))\n        else\n          context.response.status = HTTP::Status::NOT_FOUND\n          context.response.print(%({\"error\": \"Not found\"}))\n        end\n      end\n      next\n    end\n\n    # ============================================\n    # Friend Locations API: /api/friends/locations\n    # ============================================\n    if path == \"/api/friends/locations\" && method == \"GET\"\n      auth = check_auth(context)\n      unless auth.authenticated && auth.actor\n        context.response.status = HTTP::Status::UNAUTHORIZED\n        context.response.print(%({\"error\": \"Unauthorized\"}))\n        next\n      end\n\n      actor = auth.actor.not_nil!\n      locations = FRIEND_LOCATIONS.get_all(actor.id)\n\n      context.response.content_type = CT_JSON\n      context.response.print(JSON.build do |json|\n        json.array do\n          locations.each { |loc| loc.to_json(json) }\n        end\n      end)\n      next\n    end\n\n    # ============================================\n    # Actor endpoints: /users/:username/*\n    # ============================================\n    if username = extract_username(path)\n      actor = ACTOR_STORE.find_by_username(username)\n\n      unless actor\n        context.response.status = HTTP::Status::NOT_FOUND\n        context.response.content_type = CT_JSON\n        context.response.print(%({\"error\": \"Actor not found\"}))\n        next\n      end\n\n      subpath = path.sub(\"/users/#{username}\", \"\")\n\n      case {subpath, method}\n      # Actor profile\n      when {\"\", \"GET\"}, {\"/\", \"GET\"}\n        if wants_activitypub?(context)\n          context.response.content_type = CT_ACTIVITYPUB\n          context.response.print(actor.to_activitypub)\n        else\n          context.response.content_type = CT_JSON\n          context.response.print(actor.to_json)\n        end\n        # Inbox\n      when {\"/inbox\", \"POST\"}\n        remote_actor = check_http_signature(context)\n        unless remote_actor\n          context.response.status = HTTP::Status::UNAUTHORIZED\n          context.response.print(%({\"error\": \"Invalid signature\"}))\n          next\n        end\n\n        body = context.request.body.try(&.gets_to_end) || \"\"\n        data = JSON.parse(body)\n        activity = Activity.from_json_any(data)\n\n        unless activity\n          context.response.status = HTTP::Status::BAD_REQUEST\n          context.response.print(%({\"error\": \"Invalid activity\"}))\n          next\n        end\n\n        case activity.type\n        when \"Follow\"\n          target_id = activity.object_id\n          if target_id == actor.id\n            # Someone wants to follow this local actor\n            follow = Follow.new(\n              id: activity.id,\n              actor_id: activity.actor,\n              target_id: actor.id\n            )\n\n            existing = FOLLOW_STORE.find_by_actor_and_target(activity.actor, actor.id)\n            if existing\n              FOLLOW_STORE.update_state(existing.id, FollowState::Accepted)\n            else\n              FOLLOW_STORE.create(follow)\n              FOLLOW_STORE.update_state(follow.id, FollowState::Accepted)\n            end\n\n            # Auto-accept: send Accept activity\n            accept_activity = ActivityBuilder.create_accept(actor.id, data)\n            DELIVERY_QUEUE.enqueue(remote_actor.inbox, accept_activity, actor)\n          end\n        when \"Undo\"\n          inner = activity.object\n          if inner.as_h? && inner[\"type\"]?.try(&.as_s?) == \"Follow\"\n            follower_id = inner[\"actor\"]?.try(&.as_s?)\n            if follower_id\n              FOLLOW_STORE.delete_by_actor_and_target(follower_id, actor.id)\n            end\n          end\n        when \"Accept\"\n          # Our follow request was accepted\n          inner = activity.object\n          if inner.as_h? && inner[\"type\"]?.try(&.as_s?) == \"Follow\"\n            follow_id = inner[\"id\"]?.try(&.as_s?)\n            if follow_id\n              FOLLOW_STORE.update_state(follow_id, FollowState::Accepted)\n            end\n          end\n        when \"Reject\"\n          inner = activity.object\n          if inner.as_h? && inner[\"type\"]?.try(&.as_s?) == \"Follow\"\n            follow_id = inner[\"id\"]?.try(&.as_s?)\n            if follow_id\n              FOLLOW_STORE.update_state(follow_id, FollowState::Rejected)\n            end\n          end\n        when \"Invite\"\n          # Someone wants to share their location with us\n          obj = activity.object\n          if obj.as_h? && obj[\"type\"]?.try(&.as_s?) == \"Application\" && obj[\"name\"]?.try(&.as_s?).try(&.includes?(\"Location Sharing\"))\n            # This is a josie.place location sharing invite\n            remote_actor_url = activity.actor\n            remote_acct = \"#{remote_actor.username}@#{remote_actor.domain}\"\n\n            # Check if we already have this share request\n            existing = ACTOR_STORE.find_incoming_share_by_actor(actor.id, remote_actor_url)\n            unless existing\n              share = IncomingShare.new(\n                id: IncomingShare.generate_id,\n                local_actor_id: actor.id,\n                remote_actor_url: remote_actor_url,\n                remote_actor_acct: remote_acct\n              )\n              ACTOR_STORE.create_incoming_share(share)\n              puts \"Received location sharing invite from #{remote_acct} to #{actor.username}\"\n            end\n          end\n        when \"Update\"\n          # Location update from a friend\n          obj = activity.object\n          if obj.as_h? && obj[\"type\"]?.try(&.as_s?) == \"Place\"\n            remote_actor_url = activity.actor\n            remote_acct = \"#{remote_actor.username}@#{remote_actor.domain}\"\n\n            # Verify we have a symmetric relationship with this sender\n            if ACTOR_STORE.can_share_with?(actor.id, remote_actor_url)\n              lat = obj[\"latitude\"]?.try(&.as_f?)\n              lng = obj[\"longitude\"]?.try(&.as_f?)\n\n              if lat && lng\n                friend_loc = FriendLocation.new(\n                  remote_actor_url: remote_actor_url,\n                  remote_actor_acct: remote_acct,\n                  lat: lat,\n                  lng: lng,\n                  accuracy: obj[\"accuracy\"]?.try(&.as_f?),\n                  speed: obj[\"speed\"]?.try(&.as_f?),\n                  heading: obj[\"heading\"]?.try(&.as_f?),\n                  updated_at: Time.utc\n                )\n                FRIEND_LOCATIONS.update(actor.id, friend_loc)\n                puts \"Updated location for #{remote_acct} -> #{actor.username}: #{lat}, #{lng}\"\n              end\n            else\n              puts \"Rejected location update from #{remote_acct} - no symmetric relationship\"\n            end\n          end\n        end\n\n        context.response.status = HTTP::Status::ACCEPTED\n        context.response.print(%({\"ok\": true}))\n\n        # Outbox\n      when {\"/outbox\", \"GET\"}\n        context.response.content_type = CT_ACTIVITYPUB\n        context.response.print(JSON.build do |json|\n          json.object do\n            json.field \"@context\", \"https://www.w3.org/ns/activitystreams\"\n            json.field \"type\", \"OrderedCollection\"\n            json.field \"id\", actor.outbox\n            json.field \"totalItems\", 0\n            json.field \"orderedItems\", [] of String\n          end\n        end)\n\n        # Followers collection\n      when {\"/followers\", \"GET\"}\n        followers = FOLLOW_STORE.followers_of(actor.id)\n        context.response.content_type = CT_ACTIVITYPUB\n        context.response.print(JSON.build do |json|\n          json.object do\n            json.field \"@context\", \"https://www.w3.org/ns/activitystreams\"\n            json.field \"type\", \"OrderedCollection\"\n            json.field \"id\", actor.followers_url\n            json.field \"totalItems\", followers.size\n            json.field \"orderedItems\", followers.map(&.actor_id)\n          end\n        end)\n\n        # Following collection\n      when {\"/following\", \"GET\"}\n        following = FOLLOW_STORE.following_of(actor.id)\n        context.response.content_type = CT_ACTIVITYPUB\n        context.response.print(JSON.build do |json|\n          json.object do\n            json.field \"@context\", \"https://www.w3.org/ns/activitystreams\"\n            json.field \"type\", \"OrderedCollection\"\n            json.field \"id\", actor.following_url\n            json.field \"totalItems\", following.size\n            json.field \"orderedItems\", following.map(&.target_id)\n          end\n        end)\n      else\n        context.response.status = HTTP::Status::NOT_FOUND\n        context.response.print(%({\"error\": \"Not found\"}))\n      end\n\n      # ============================================\n      # Session endpoints: /api/session/:id/*\n      # ============================================\n    elsif session_id = extract_session_id(path)\n      session = SESSIONS.get(session_id)\n\n      unless session\n        context.response.status = HTTP::Status::NOT_FOUND\n        context.response.content_type = CT_JSON\n        context.response.print(%({\"error\": \"Session not found\"}))\n        next\n      end\n\n      subpath = path.sub(\"/api/session/#{session_id}\", \"\")\n\n      case {subpath, method}\n      # Get current location\n      when {\"\", \"GET\"}, {\"/\", \"GET\"}\n        context.response.content_type = CT_JSON\n        if loc = session.get\n          context.response.print(loc.to_json)\n        else\n          context.response.print(%({\"active\": false}))\n        end\n\n        # Update location\n      when {\"\", \"POST\"}, {\"/\", \"POST\"}\n        auth = check_auth(context)\n        unless auth.authenticated\n          context.response.status = HTTP::Status::UNAUTHORIZED\n          context.response.print(%({\"error\": \"Unauthorized\"}))\n          next\n        end\n\n        # Check owner match if session has an owner\n        if session.owner_id && auth.actor\n          unless session.owner_id == auth.actor.not_nil!.id\n            context.response.status = HTTP::Status::FORBIDDEN\n            context.response.print(%({\"error\": \"Not session owner\"}))\n            next\n          end\n        end\n\n        begin\n          body = context.request.body.try(&.gets_to_end) || \"\"\n          data = JSON.parse(body)\n\n          loc = Location.new(\n            lat: data[\"lat\"].as_f,\n            lng: data[\"lng\"].as_f,\n            accuracy: data[\"accuracy\"].as_f,\n            speed: data[\"speed\"]?.try(&.as_f?),\n            heading: data[\"heading\"]?.try(&.as_f?),\n            timestamp: Time.utc,\n            active: true,\n            expires: Time.utc + 30.minutes\n          )\n          session.update(loc)\n\n          context.response.content_type = CT_JSON\n          context.response.print(%({\"ok\": true}))\n        rescue ex\n          context.response.status = HTTP::Status::BAD_REQUEST\n          context.response.print(%({\"error\": \"Invalid JSON\"}))\n        end\n\n        # Stop sharing\n      when {\"/stop\", \"POST\"}\n        auth = check_auth(context)\n        unless auth.authenticated\n          context.response.status = HTTP::Status::UNAUTHORIZED\n          context.response.print(%({\"error\": \"Unauthorized\"}))\n          next\n        end\n\n        session.set_inactive\n        context.response.content_type = CT_JSON\n        context.response.print(%({\"ok\": true}))\n\n        # Delete session\n      when {\"/delete\", \"POST\"}\n        auth = check_auth(context)\n        unless auth.authenticated\n          context.response.status = HTTP::Status::UNAUTHORIZED\n          context.response.print(%({\"error\": \"Unauthorized\"}))\n          next\n        end\n\n        SESSIONS.delete(session_id)\n        context.response.content_type = CT_JSON\n        context.response.print(%({\"ok\": true}))\n\n        # SSE stream\n      when {\"/stream\", \"GET\"}\n        context.response.content_type = \"text/event-stream\"\n        context.response.headers[\"Cache-Control\"] = \"no-cache\"\n        context.response.headers[\"Connection\"] = \"keep-alive\"\n\n        ch = session.subscribe\n\n        if loc = session.get\n          context.response.print(\"data: #{loc.to_json}\\n\\n\")\n          context.response.flush\n        end\n\n        spawn do\n          loop do\n            sleep 30.seconds\n            begin\n              context.response.print(\": keepalive\\n\\n\")\n              context.response.flush\n            rescue\n              break\n            end\n          end\n        end\n\n        loop do\n          select\n          when loc = ch.receive?\n            if loc\n              context.response.print(\"data: #{loc.to_json}\\n\\n\")\n              context.response.flush\n            else\n              break\n            end\n          end\n        rescue\n          break\n        end\n\n        session.unsubscribe(ch)\n\n        # Subscribe to session (federation)\n      when {\"/subscribe\", \"POST\"}\n        remote_actor = check_http_signature(context)\n        unless remote_actor\n          context.response.status = HTTP::Status::UNAUTHORIZED\n          context.response.print(%({\"error\": \"Invalid signature\"}))\n          next\n        end\n\n        # Check visibility permissions\n        if session.visibility == SessionVisibility::FollowersOnly\n          if owner_id = session.owner_id\n            unless FOLLOW_STORE.is_following?(remote_actor.id, owner_id)\n              context.response.status = HTTP::Status::FORBIDDEN\n              context.response.print(%({\"error\": \"Must be a follower\"}))\n              next\n            end\n          end\n        end\n\n        session.add_remote_subscriber(remote_actor.inbox)\n        context.response.status = HTTP::Status::ACCEPTED\n        context.response.print(%({\"ok\": true}))\n      else\n        context.response.status = HTTP::Status::NOT_FOUND\n        context.response.print(%({\"error\": \"Not found\"}))\n      end\n    else\n      context.response.status = HTTP::Status::NOT_FOUND\n      context.response.print(%({\"error\": \"Not found\"}))\n    end\n  end\nend\n\nport = (ENV[\"PORT\"]? || \"8081\").to_i\nputs \"Location relay server starting on :#{port}\"\nputs \"Domain: #{DOMAIN}\"\nputs \"Invite codes: #{INVITE_CODES.size} configured\"\nserver.bind_tcp(\"0.0.0.0\", port)\nserver.listen\n","structuredPatch":[{"oldStart":644,"oldLines":7,"newStart":644,"newLines":7,"lines":["           ACTOR_STORE.save_oauth_app(app)","         end"," ","-        oauth_state = MastodonOAuth::OAuthState.new(state, instance, nil, instance_type)","+        oauth_state = MastodonOAuth::OAuthState.new(state, instance, nil, instance_type, is_native)","         ACTOR_STORE.save_oauth_state(oauth_state)"," ","         auth_url = MastodonOAuth.authorization_url(instance, app.client_id, redirect_uri, state)"]}],"userModified":false,"replaceAll":false},"sourceToolAssistantUUID":"6be55370-5fca-4dc4-ad67-e4f5682c36f6"}
{"parentUuid":"f1e0ee28-50e6-4f04-8f50-022e635b25df","isSidechain":false,"userType":"external","cwd":"/home/josie/development/personal/josiedot/place","sessionId":"36b028ca-0061-42de-a310-f77ba55fdd8d","version":"2.1.25","gitBranch":"main","slug":"harmonic-skipping-rainbow","message":{"model":"claude-opus-4-5-20251101","id":"msg_01QXu4ZrjLpAUVsS57vx3e7N","type":"message","role":"assistant","content":[{"type":"thinking","thinking":"Now I need to update the callback handler to redirect to the URL scheme when is_native is true. Let me read the callback part:","signature":"EqcCCkYICxgCKkAol8ydckMEymIsAVGbJZyiv2lWv/WbEioROJiQW8ommvgVzIP9Cb3FuZ6I5ropDCybwUvGeF1mLGFIpXmIzsMpEgxLMzh87KLrRIZF1gEaDIsc2Bz2ntr56zEzTSIwXYxsP44BdVeEL85WXF4qPbaxe79IT/RUYknMdQGhmO5Qq1kRYK86qs3ejt0yfnMLKo4BqdtaXWU/n3uIWcAkvw+/iiqdHQIRIyBCHYdeJwBRdzIznYLfzIDeYz6WCfj1uKEx9sIM8HFnVFy7BFEjSelWKM1oTtbjJI7BHb7of0NqU3Pn5CHPuZ0pwJejqO/Vao2IHa4jL1ho+qfPwZbCFrfzFwEAFo6qiI3ed05sV49KBzLHMlq7z5ImmuLAlM2g/RgB"}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":8,"cache_creation_input_tokens":388,"cache_read_input_tokens":64617,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":388},"output_tokens":2,"service_tier":"standard"}},"requestId":"req_011CXdnrMPCcoEHr3Exi6UaQ","type":"assistant","uuid":"8b79e70c-01fe-4ae1-8462-5291af3abdec","timestamp":"2026-01-30T15:22:26.469Z"}
{"parentUuid":"8b79e70c-01fe-4ae1-8462-5291af3abdec","isSidechain":false,"userType":"external","cwd":"/home/josie/development/personal/josiedot/place","sessionId":"36b028ca-0061-42de-a310-f77ba55fdd8d","version":"2.1.25","gitBranch":"main","slug":"harmonic-skipping-rainbow","message":{"model":"claude-opus-4-5-20251101","id":"msg_01QXu4ZrjLpAUVsS57vx3e7N","type":"message","role":"assistant","content":[{"type":"text","text":"Now let me update the callback to redirect to URL scheme for native apps:"}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":8,"cache_creation_input_tokens":388,"cache_read_input_tokens":64617,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":388},"output_tokens":2,"service_tier":"standard"}},"requestId":"req_011CXdnrMPCcoEHr3Exi6UaQ","type":"assistant","uuid":"afae00a5-a0e9-45bc-b424-e0b8d073df94","timestamp":"2026-01-30T15:22:26.896Z"}
{"parentUuid":"afae00a5-a0e9-45bc-b424-e0b8d073df94","isSidechain":false,"userType":"external","cwd":"/home/josie/development/personal/josiedot/place","sessionId":"36b028ca-0061-42de-a310-f77ba55fdd8d","version":"2.1.25","gitBranch":"main","slug":"harmonic-skipping-rainbow","message":{"model":"claude-opus-4-5-20251101","id":"msg_01QXu4ZrjLpAUVsS57vx3e7N","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_014FrBrNmHZEj35WeYE96x8K","name":"Read","input":{"file_path":"/home/josie/development/personal/josiedot/place/backend/src/location_server.cr","offset":806,"limit":40}}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":8,"cache_creation_input_tokens":388,"cache_read_input_tokens":64617,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":388},"output_tokens":2,"service_tier":"standard"}},"requestId":"req_011CXdnrMPCcoEHr3Exi6UaQ","type":"assistant","uuid":"35b4d8c7-2c69-4ea0-b84e-b299e5db58d3","timestamp":"2026-01-30T15:22:27.531Z"}
{"parentUuid":"35b4d8c7-2c69-4ea0-b84e-b299e5db58d3","isSidechain":false,"userType":"external","cwd":"/home/josie/development/personal/josiedot/place","sessionId":"36b028ca-0061-42de-a310-f77ba55fdd8d","version":"2.1.25","gitBranch":"main","slug":"harmonic-skipping-rainbow","type":"progress","data":{"type":"hook_progress","hookEvent":"PreToolUse","hookName":"PreToolUse:Read","command":"python3 ${CLAUDE_PLUGIN_ROOT}/hooks/pretooluse.py"},"toolUseID":"toolu_014FrBrNmHZEj35WeYE96x8K","parentToolUseID":"toolu_014FrBrNmHZEj35WeYE96x8K","uuid":"f429b9b0-9f4d-4317-8af8-4c5a9cd8dc3b","timestamp":"2026-01-30T15:22:27.536Z"}
{"parentUuid":"f429b9b0-9f4d-4317-8af8-4c5a9cd8dc3b","isSidechain":false,"userType":"external","cwd":"/home/josie/development/personal/josiedot/place","sessionId":"36b028ca-0061-42de-a310-f77ba55fdd8d","version":"2.1.25","gitBranch":"main","slug":"harmonic-skipping-rainbow","type":"progress","data":{"type":"hook_progress","hookEvent":"PostToolUse","hookName":"PostToolUse:Read","command":"python3 ${CLAUDE_PLUGIN_ROOT}/hooks/posttooluse.py"},"parentToolUseID":"toolu_014FrBrNmHZEj35WeYE96x8K","toolUseID":"toolu_014FrBrNmHZEj35WeYE96x8K","timestamp":"2026-01-30T15:22:27.574Z","uuid":"87078fc9-b5e7-4c78-8539-d0e722174479"}
{"parentUuid":"87078fc9-b5e7-4c78-8539-d0e722174479","isSidechain":false,"userType":"external","cwd":"/home/josie/development/personal/josiedot/place","sessionId":"36b028ca-0061-42de-a310-f77ba55fdd8d","version":"2.1.25","gitBranch":"main","slug":"harmonic-skipping-rainbow","type":"progress","data":{"type":"hook_progress","hookEvent":"PostToolUse","hookName":"PostToolUse:Read","command":"callback"},"parentToolUseID":"toolu_014FrBrNmHZEj35WeYE96x8K","toolUseID":"toolu_014FrBrNmHZEj35WeYE96x8K","timestamp":"2026-01-30T15:22:27.574Z","uuid":"e9a31ea6-151d-49bf-8f7f-eee2afcab82d"}
{"parentUuid":"35b4d8c7-2c69-4ea0-b84e-b299e5db58d3","isSidechain":false,"userType":"external","cwd":"/home/josie/development/personal/josiedot/place","sessionId":"36b028ca-0061-42de-a310-f77ba55fdd8d","version":"2.1.25","gitBranch":"main","slug":"harmonic-skipping-rainbow","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_014FrBrNmHZEj35WeYE96x8K","type":"tool_result","content":"   806→        remote_username: account_username,\n   807→        access_token: access_token\n   808→      )\n   809→      ACTOR_STORE.save_actor_link(link)\n   810→    end\n   811→\n   812→    # Return HTML page that posts token to opener and closes\n   813→    context.response.content_type = \"text/html\"\n   814→    context.response.print(<<-HTML\n   815→    <!DOCTYPE html>\n   816→    <html>\n   817→    <head><title>Login successful</title></head>\n   818→    <body>\n   819→      <h1>Login successful</h1>\n   820→      <p>You can close this window.</p>\n   821→      <script>\n   822→        if (window.opener) {\n   823→          window.opener.postMessage({\n   824→            type: 'oauth_success',\n   825→            token: '#{actor.token}',\n   826→            username: '#{actor.username}',\n   827→            actorId: '#{actor.id}'\n   828→          }, 'https://#{DOMAIN}');\n   829→          window.close();\n   830→        }\n   831→      </script>\n   832→    </body>\n   833→    </html>\n   834→    HTML\n   835→    )\n   836→\n   837→    # ============================================\n   838→    # Shared Inbox (for efficiency)\n   839→    # ============================================\n   840→  when {\"/inbox\", \"POST\"}\n   841→    actor = check_http_signature(context)\n   842→    unless actor\n   843→      context.response.status = HTTP::Status::UNAUTHORIZED\n   844→      context.response.print(%({\"error\": \"Invalid signature\"}))\n   845→      next\n\n<system-reminder>\nWhenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.\n</system-reminder>\n"}]},"uuid":"ba84b8e6-d6b3-4f17-a986-a6fb27e0b5d9","timestamp":"2026-01-30T15:22:27.573Z","toolUseResult":{"type":"text","file":{"filePath":"/home/josie/development/personal/josiedot/place/backend/src/location_server.cr","content":"        remote_username: account_username,\n        access_token: access_token\n      )\n      ACTOR_STORE.save_actor_link(link)\n    end\n\n    # Return HTML page that posts token to opener and closes\n    context.response.content_type = \"text/html\"\n    context.response.print(<<-HTML\n    <!DOCTYPE html>\n    <html>\n    <head><title>Login successful</title></head>\n    <body>\n      <h1>Login successful</h1>\n      <p>You can close this window.</p>\n      <script>\n        if (window.opener) {\n          window.opener.postMessage({\n            type: 'oauth_success',\n            token: '#{actor.token}',\n            username: '#{actor.username}',\n            actorId: '#{actor.id}'\n          }, 'https://#{DOMAIN}');\n          window.close();\n        }\n      </script>\n    </body>\n    </html>\n    HTML\n    )\n\n    # ============================================\n    # Shared Inbox (for efficiency)\n    # ============================================\n  when {\"/inbox\", \"POST\"}\n    actor = check_http_signature(context)\n    unless actor\n      context.response.status = HTTP::Status::UNAUTHORIZED\n      context.response.print(%({\"error\": \"Invalid signature\"}))\n      next","numLines":40,"startLine":806,"totalLines":1640}},"sourceToolAssistantUUID":"35b4d8c7-2c69-4ea0-b84e-b299e5db58d3"}
{"parentUuid":"ba84b8e6-d6b3-4f17-a986-a6fb27e0b5d9","isSidechain":false,"userType":"external","cwd":"/home/josie/development/personal/josiedot/place","sessionId":"36b028ca-0061-42de-a310-f77ba55fdd8d","version":"2.1.25","gitBranch":"main","slug":"harmonic-skipping-rainbow","message":{"model":"claude-opus-4-5-20251101","id":"msg_01TFLG4YVuikLXvgEGWNSYCJ","type":"message","role":"assistant","content":[{"type":"thinking","thinking":"I need to modify the callback to handle native apps by redirecting to the URL scheme. Let me see where oauth_state is available in this context - I need to read a bit more to see if oauth_state is in scope:","signature":"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"}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":8,"cache_creation_input_tokens":847,"cache_read_input_tokens":65005,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":847},"output_tokens":1,"service_tier":"standard"}},"requestId":"req_011CXdnrcx5Wz4qn1BoCaW82","type":"assistant","uuid":"dbe5908c-20fd-4424-b546-f175dabb5a31","timestamp":"2026-01-30T15:22:30.918Z"}
{"parentUuid":"dbe5908c-20fd-4424-b546-f175dabb5a31","isSidechain":false,"userType":"external","cwd":"/home/josie/development/personal/josiedot/place","sessionId":"36b028ca-0061-42de-a310-f77ba55fdd8d","version":"2.1.25","gitBranch":"main","slug":"harmonic-skipping-rainbow","message":{"model":"claude-opus-4-5-20251101","id":"msg_01TFLG4YVuikLXvgEGWNSYCJ","type":"message","role":"assistant","content":[{"type":"text","text":"Let me see where oauth_state is available in the callback:"}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":8,"cache_creation_input_tokens":847,"cache_read_input_tokens":65005,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":847},"output_tokens":1,"service_tier":"standard"}},"requestId":"req_011CXdnrcx5Wz4qn1BoCaW82","type":"assistant","uuid":"1a848cfd-0d30-4165-bc63-1f49127d043f","timestamp":"2026-01-30T15:22:31.155Z"}
{"parentUuid":"1a848cfd-0d30-4165-bc63-1f49127d043f","isSidechain":false,"userType":"external","cwd":"/home/josie/development/personal/josiedot/place","sessionId":"36b028ca-0061-42de-a310-f77ba55fdd8d","version":"2.1.25","gitBranch":"main","slug":"harmonic-skipping-rainbow","message":{"model":"claude-opus-4-5-20251101","id":"msg_01TFLG4YVuikLXvgEGWNSYCJ","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_019KtHQpP1PFpPixEHdCa8MT","name":"Read","input":{"file_path":"/home/josie/development/personal/josiedot/place/backend/src/location_server.cr","offset":664,"limit":150}}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":8,"cache_creation_input_tokens":847,"cache_read_input_tokens":65005,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":847},"output_tokens":1,"service_tier":"standard"}},"requestId":"req_011CXdnrcx5Wz4qn1BoCaW82","type":"assistant","uuid":"ddd69c35-e6cc-4607-a4f1-557045e983a1","timestamp":"2026-01-30T15:22:31.801Z"}
{"parentUuid":"ddd69c35-e6cc-4607-a4f1-557045e983a1","isSidechain":false,"userType":"external","cwd":"/home/josie/development/personal/josiedot/place","sessionId":"36b028ca-0061-42de-a310-f77ba55fdd8d","version":"2.1.25","gitBranch":"main","slug":"harmonic-skipping-rainbow","type":"progress","data":{"type":"hook_progress","hookEvent":"PreToolUse","hookName":"PreToolUse:Read","command":"python3 ${CLAUDE_PLUGIN_ROOT}/hooks/pretooluse.py"},"toolUseID":"toolu_019KtHQpP1PFpPixEHdCa8MT","parentToolUseID":"toolu_019KtHQpP1PFpPixEHdCa8MT","uuid":"b9ffd069-6dad-466c-ae4d-5bee2f65cf0e","timestamp":"2026-01-30T15:22:31.804Z"}
{"parentUuid":"b9ffd069-6dad-466c-ae4d-5bee2f65cf0e","isSidechain":false,"userType":"external","cwd":"/home/josie/development/personal/josiedot/place","sessionId":"36b028ca-0061-42de-a310-f77ba55fdd8d","version":"2.1.25","gitBranch":"main","slug":"harmonic-skipping-rainbow","type":"progress","data":{"type":"hook_progress","hookEvent":"PostToolUse","hookName":"PostToolUse:Read","command":"python3 ${CLAUDE_PLUGIN_ROOT}/hooks/posttooluse.py"},"parentToolUseID":"toolu_019KtHQpP1PFpPixEHdCa8MT","toolUseID":"toolu_019KtHQpP1PFpPixEHdCa8MT","timestamp":"2026-01-30T15:22:31.855Z","uuid":"ee970a16-018a-48ea-9c42-876a95b690d6"}
{"parentUuid":"ee970a16-018a-48ea-9c42-876a95b690d6","isSidechain":false,"userType":"external","cwd":"/home/josie/development/personal/josiedot/place","sessionId":"36b028ca-0061-42de-a310-f77ba55fdd8d","version":"2.1.25","gitBranch":"main","slug":"harmonic-skipping-rainbow","type":"progress","data":{"type":"hook_progress","hookEvent":"PostToolUse","hookName":"PostToolUse:Read","command":"callback"},"parentToolUseID":"toolu_019KtHQpP1PFpPixEHdCa8MT","toolUseID":"toolu_019KtHQpP1PFpPixEHdCa8MT","timestamp":"2026-01-30T15:22:31.856Z","uuid":"06fc925e-e397-410c-afcd-e61d2691d12b"}
{"parentUuid":"ddd69c35-e6cc-4607-a4f1-557045e983a1","isSidechain":false,"userType":"external","cwd":"/home/josie/development/personal/josiedot/place","sessionId":"36b028ca-0061-42de-a310-f77ba55fdd8d","version":"2.1.25","gitBranch":"main","slug":"harmonic-skipping-rainbow","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_019KtHQpP1PFpPixEHdCa8MT","type":"tool_result","content":"   664→    # Mastodon OAuth / MiAuth: Callback\n   665→    # ============================================\n   666→  when {\"/api/auth/callback\", \"GET\"}\n   667→    code = context.request.query_params[\"code\"]?\n   668→    state = context.request.query_params[\"state\"]?\n   669→\n   670→    # state is required for both flows\n   671→    unless state\n   672→      context.response.status = HTTP::Status::BAD_REQUEST\n   673→      context.response.content_type = \"text/html\"\n   674→      context.response.print(\"<h1>Error</h1><p>Missing state parameter</p>\")\n   675→      next\n   676→    end\n   677→\n   678→    # Verify state\n   679→    oauth_state = ACTOR_STORE.get_oauth_state(state)\n   680→    unless oauth_state\n   681→      context.response.status = HTTP::Status::BAD_REQUEST\n   682→      context.response.content_type = \"text/html\"\n   683→      context.response.print(\"<h1>Error</h1><p>Invalid or expired state</p>\")\n   684→      next\n   685→    end\n   686→\n   687→    # For Mastodon, code is required; for MiAuth, it's not\n   688→    if oauth_state.instance_type == MastodonOAuth::InstanceType::Mastodon && !code\n   689→      context.response.status = HTTP::Status::BAD_REQUEST\n   690→      context.response.content_type = \"text/html\"\n   691→      context.response.print(\"<h1>Error</h1><p>Missing code parameter</p>\")\n   692→      next\n   693→    end\n   694→\n   695→    # Delete used state\n   696→    ACTOR_STORE.delete_oauth_state(state)\n   697→\n   698→    # Check state age (10 min max)\n   699→    if Time.utc - oauth_state.created_at > 10.minutes\n   700→      context.response.status = HTTP::Status::BAD_REQUEST\n   701→      context.response.content_type = \"text/html\"\n   702→      context.response.print(\"<h1>Error</h1><p>State expired</p>\")\n   703→      next\n   704→    end\n   705→\n   706→    instance = oauth_state.instance_domain\n   707→    instance_type = oauth_state.instance_type\n   708→    redirect_uri = \"#{API_BASE_URL}/api/auth/callback\"\n   709→\n   710→    # Exchange code for token (different flow for Misskey vs Mastodon)\n   711→    access_token : String?\n   712→    account_id : String\n   713→    account_username : String\n   714→    account_display_name : String\n   715→    account_url : String\n   716→\n   717→    if instance_type == MastodonOAuth::InstanceType::Misskey\n   718→      # Misskey/Sharkey: Use MiAuth - session_id is stored in code_verifier field\n   719→      session_id = oauth_state.code_verifier\n   720→      unless session_id\n   721→        context.response.status = HTTP::Status::BAD_REQUEST\n   722→        context.response.content_type = \"text/html\"\n   723→        context.response.print(\"<h1>Error</h1><p>Missing session_id for MiAuth flow</p>\")\n   724→        next\n   725→      end\n   726→\n   727→      # MiAuth check - no code needed, just the session ID\n   728→      access_token = MastodonOAuth.miauth_check(instance, session_id)\n   729→      unless access_token\n   730→        context.response.status = HTTP::Status::BAD_GATEWAY\n   731→        context.response.content_type = \"text/html\"\n   732→        context.response.print(\"<h1>Error</h1><p>Failed to get access token from MiAuth</p>\")\n   733→        next\n   734→      end\n   735→\n   736→      # Get Misskey user info\n   737→      misskey_account = MastodonOAuth.misskey_verify_credentials(instance, access_token)\n   738→      unless misskey_account\n   739→        context.response.status = HTTP::Status::BAD_GATEWAY\n   740→        context.response.content_type = \"text/html\"\n   741→        context.response.print(\"<h1>Error</h1><p>Failed to verify credentials</p>\")\n   742→        next\n   743→      end\n   744→\n   745→      account_id = misskey_account.id\n   746→      account_username = misskey_account.username\n   747→      account_display_name = misskey_account.name || misskey_account.username\n   748→      account_url = \"https://#{instance}/@#{misskey_account.username}\"\n   749→    else\n   750→      # Mastodon: Standard OAuth flow\n   751→      app = ACTOR_STORE.get_oauth_app(instance)\n   752→      unless app\n   753→        context.response.status = HTTP::Status::INTERNAL_SERVER_ERROR\n   754→        context.response.content_type = \"text/html\"\n   755→        context.response.print(\"<h1>Error</h1><p>App not found for instance</p>\")\n   756→        next\n   757→      end\n   758→\n   759→      access_token = MastodonOAuth.exchange_code(instance, app.client_id, app.client_secret, redirect_uri, code.not_nil!)\n   760→      unless access_token\n   761→        context.response.status = HTTP::Status::BAD_GATEWAY\n   762→        context.response.content_type = \"text/html\"\n   763→        context.response.print(\"<h1>Error</h1><p>Failed to get access token</p>\")\n   764→        next\n   765→      end\n   766→\n   767→      # Get Mastodon user info\n   768→      account = MastodonOAuth.verify_credentials(instance, access_token)\n   769→      unless account\n   770→        context.response.status = HTTP::Status::BAD_GATEWAY\n   771→        context.response.content_type = \"text/html\"\n   772→        context.response.print(\"<h1>Error</h1><p>Failed to verify credentials</p>\")\n   773→        next\n   774→      end\n   775→\n   776→      account_id = account.id\n   777→      account_username = account.username\n   778→      account_display_name = account.display_name\n   779→      account_url = account.url\n   780→    end\n   781→\n   782→    # Find or create local actor\n   783→    actor = ACTOR_STORE.find_actor_by_remote(instance, account_id)\n   784→\n   785→    unless actor\n   786→      # Create new local actor linked to this remote account\n   787→      # Format: username_domain_tld (e.g., josie_fedi_josie_place)\n   788→      username = \"#{account_username}_#{instance.gsub(\".\", \"_\")}\"\n   789→      # Ensure unique username\n   790→      base_username = username\n   791→      counter = 1\n   792→      while ACTOR_STORE.find_by_username(username)\n   793→        username = \"#{base_username}#{counter}\"\n   794→        counter += 1\n   795→      end\n   796→\n   797→      actor = Actor.create_local(username, DOMAIN, account_display_name)\n   798→      ACTOR_STORE.create(actor)\n   799→\n   800→      # Link to remote account\n   801→      link = MastodonOAuth::ActorLink.new(\n   802→        local_actor_id: actor.id,\n   803→        remote_instance: instance,\n   804→        remote_account_id: account_id,\n   805→        remote_actor_url: account_url,\n   806→        remote_username: account_username,\n   807→        access_token: access_token\n   808→      )\n   809→      ACTOR_STORE.save_actor_link(link)\n   810→    end\n   811→\n   812→    # Return HTML page that posts token to opener and closes\n   813→    context.response.content_type = \"text/html\"\n\n<system-reminder>\nWhenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.\n</system-reminder>\n"}]},"uuid":"0adf950d-e7ad-4646-9f1a-5ccb71e8ea92","timestamp":"2026-01-30T15:22:31.853Z","toolUseResult":{"type":"text","file":{"filePath":"/home/josie/development/personal/josiedot/place/backend/src/location_server.cr","content":"    # Mastodon OAuth / MiAuth: Callback\n    # ============================================\n  when {\"/api/auth/callback\", \"GET\"}\n    code = context.request.query_params[\"code\"]?\n    state = context.request.query_params[\"state\"]?\n\n    # state is required for both flows\n    unless state\n      context.response.status = HTTP::Status::BAD_REQUEST\n      context.response.content_type = \"text/html\"\n      context.response.print(\"<h1>Error</h1><p>Missing state parameter</p>\")\n      next\n    end\n\n    # Verify state\n    oauth_state = ACTOR_STORE.get_oauth_state(state)\n    unless oauth_state\n      context.response.status = HTTP::Status::BAD_REQUEST\n      context.response.content_type = \"text/html\"\n      context.response.print(\"<h1>Error</h1><p>Invalid or expired state</p>\")\n      next\n    end\n\n    # For Mastodon, code is required; for MiAuth, it's not\n    if oauth_state.instance_type == MastodonOAuth::InstanceType::Mastodon && !code\n      context.response.status = HTTP::Status::BAD_REQUEST\n      context.response.content_type = \"text/html\"\n      context.response.print(\"<h1>Error</h1><p>Missing code parameter</p>\")\n      next\n    end\n\n    # Delete used state\n    ACTOR_STORE.delete_oauth_state(state)\n\n    # Check state age (10 min max)\n    if Time.utc - oauth_state.created_at > 10.minutes\n      context.response.status = HTTP::Status::BAD_REQUEST\n      context.response.content_type = \"text/html\"\n      context.response.print(\"<h1>Error</h1><p>State expired</p>\")\n      next\n    end\n\n    instance = oauth_state.instance_domain\n    instance_type = oauth_state.instance_type\n    redirect_uri = \"#{API_BASE_URL}/api/auth/callback\"\n\n    # Exchange code for token (different flow for Misskey vs Mastodon)\n    access_token : String?\n    account_id : String\n    account_username : String\n    account_display_name : String\n    account_url : String\n\n    if instance_type == MastodonOAuth::InstanceType::Misskey\n      # Misskey/Sharkey: Use MiAuth - session_id is stored in code_verifier field\n      session_id = oauth_state.code_verifier\n      unless session_id\n        context.response.status = HTTP::Status::BAD_REQUEST\n        context.response.content_type = \"text/html\"\n        context.response.print(\"<h1>Error</h1><p>Missing session_id for MiAuth flow</p>\")\n        next\n      end\n\n      # MiAuth check - no code needed, just the session ID\n      access_token = MastodonOAuth.miauth_check(instance, session_id)\n      unless access_token\n        context.response.status = HTTP::Status::BAD_GATEWAY\n        context.response.content_type = \"text/html\"\n        context.response.print(\"<h1>Error</h1><p>Failed to get access token from MiAuth</p>\")\n        next\n      end\n\n      # Get Misskey user info\n      misskey_account = MastodonOAuth.misskey_verify_credentials(instance, access_token)\n      unless misskey_account\n        context.response.status = HTTP::Status::BAD_GATEWAY\n        context.response.content_type = \"text/html\"\n        context.response.print(\"<h1>Error</h1><p>Failed to verify credentials</p>\")\n        next\n      end\n\n      account_id = misskey_account.id\n      account_username = misskey_account.username\n      account_display_name = misskey_account.name || misskey_account.username\n      account_url = \"https://#{instance}/@#{misskey_account.username}\"\n    else\n      # Mastodon: Standard OAuth flow\n      app = ACTOR_STORE.get_oauth_app(instance)\n      unless app\n        context.response.status = HTTP::Status::INTERNAL_SERVER_ERROR\n        context.response.content_type = \"text/html\"\n        context.response.print(\"<h1>Error</h1><p>App not found for instance</p>\")\n        next\n      end\n\n      access_token = MastodonOAuth.exchange_code(instance, app.client_id, app.client_secret, redirect_uri, code.not_nil!)\n      unless access_token\n        context.response.status = HTTP::Status::BAD_GATEWAY\n        context.response.content_type = \"text/html\"\n        context.response.print(\"<h1>Error</h1><p>Failed to get access token</p>\")\n        next\n      end\n\n      # Get Mastodon user info\n      account = MastodonOAuth.verify_credentials(instance, access_token)\n      unless account\n        context.response.status = HTTP::Status::BAD_GATEWAY\n        context.response.content_type = \"text/html\"\n        context.response.print(\"<h1>Error</h1><p>Failed to verify credentials</p>\")\n        next\n      end\n\n      account_id = account.id\n      account_username = account.username\n      account_display_name = account.display_name\n      account_url = account.url\n    end\n\n    # Find or create local actor\n    actor = ACTOR_STORE.find_actor_by_remote(instance, account_id)\n\n    unless actor\n      # Create new local actor linked to this remote account\n      # Format: username_domain_tld (e.g., josie_fedi_josie_place)\n      username = \"#{account_username}_#{instance.gsub(\".\", \"_\")}\"\n      # Ensure unique username\n      base_username = username\n      counter = 1\n      while ACTOR_STORE.find_by_username(username)\n        username = \"#{base_username}#{counter}\"\n        counter += 1\n      end\n\n      actor = Actor.create_local(username, DOMAIN, account_display_name)\n      ACTOR_STORE.create(actor)\n\n      # Link to remote account\n      link = MastodonOAuth::ActorLink.new(\n        local_actor_id: actor.id,\n        remote_instance: instance,\n        remote_account_id: account_id,\n        remote_actor_url: account_url,\n        remote_username: account_username,\n        access_token: access_token\n      )\n      ACTOR_STORE.save_actor_link(link)\n    end\n\n    # Return HTML page that posts token to opener and closes\n    context.response.content_type = \"text/html\"","numLines":150,"startLine":664,"totalLines":1640}},"sourceToolAssistantUUID":"ddd69c35-e6cc-4607-a4f1-557045e983a1"}
{"parentUuid":"0adf950d-e7ad-4646-9f1a-5ccb71e8ea92","isSidechain":false,"userType":"external","cwd":"/home/josie/development/personal/josiedot/place","sessionId":"36b028ca-0061-42de-a310-f77ba55fdd8d","version":"2.1.25","gitBranch":"main","slug":"harmonic-skipping-rainbow","message":{"model":"claude-opus-4-5-20251101","id":"msg_017BAmq5j1kUZbDUc2Uoadqo","type":"message","role":"assistant","content":[{"type":"thinking","thinking":"I can see that `oauth_state` is available at line 679 and `oauth_state.is_native` can be checked. Now I need to update the HTML response section to either:1. Redirect to URL scheme if native\n2. Use postMessage if webI'll update the final HTML response part:","signature":" "}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":8,"cache_creation_input_tokens":2442,"cache_read_input_tokens":65852,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":2442},"output_tokens":2,"service_tier":"standard"}},"requestId":"req_011CXdnrwNqtoDECLe9woGYR","type":"assistant","uuid":"8e547d1c-2bc1-4f2e-907c-51b095095774","timestamp":"2026-01-30T15:22:35.451Z"}
{"parentUuid":"8e547d1c-2bc1-4f2e-907c-51b095095774","isSidechain":false,"userType":"external","cwd":"/home/josie/development/personal/josiedot/place","sessionId":"36b028ca-0061-42de-a310-f77ba55fdd8d","version":"2.1.25","gitBranch":"main","slug":"harmonic-skipping-rainbow","message":{"model":"claude-opus-4-5-20251101","id":"msg_017BAmq5j1kUZbDUc2Uoadqo","type":"message","role":"assistant","content":[{"type":"text","text":"I can see `oauth_state` is available. Let me update the callback to handle native apps:"}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":8,"cache_creation_input_tokens":2442,"cache_read_input_tokens":65852,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":2442},"output_tokens":2,"service_tier":"standard"}},"requestId":"req_011CXdnrwNqtoDECLe9woGYR","type":"assistant","uuid":"165704a8-accc-4220-838f-405b981a8860","timestamp":"2026-01-30T15:22:35.882Z"}
{"parentUuid":"165704a8-accc-4220-838f-405b981a8860","isSidechain":false,"userType":"external","cwd":"/home/josie/development/personal/josiedot/place","sessionId":"36b028ca-0061-42de-a310-f77ba55fdd8d","version":"2.1.25","gitBranch":"main","slug":"harmonic-skipping-rainbow","message":{"model":"claude-opus-4-5-20251101","id":"msg_017BAmq5j1kUZbDUc2Uoadqo","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_011TqKreX74y5oSatLcbdHZS","name":"Edit","input":{"replace_all":false,"file_path":"/home/josie/development/personal/josiedot/place/backend/src/location_server.cr","old_string":"    # Return HTML page that posts token to opener and closes\n    context.response.content_type = \"text/html\"\n    context.response.print(<<-HTML\n    <!DOCTYPE html>\n    <html>\n    <head><title>Login successful</title></head>\n    <body>\n      <h1>Login successful</h1>\n      <p>You can close this window.</p>\n      <script>\n        if (window.opener) {\n          window.opener.postMessage({\n            type: 'oauth_success',\n            token: '#{actor.token}',\n            username: '#{actor.username}',\n            actorId: '#{actor.id}'\n          }, 'https://#{DOMAIN}');\n          window.close();\n        }\n      </script>\n    </body>\n    </html>\n    HTML\n    )","new_string":"    # Return response based on client type\n    if oauth_state.is_native\n      # Native app: redirect to custom URL scheme\n      native_url = \"josieplace://oauth-callback?token=#{actor.token}&username=#{URI.encode_path_segment(actor.username)}&actorId=#{URI.encode_path_segment(actor.id)}\"\n      context.response.status = HTTP::Status::FOUND\n      context.response.headers[\"Location\"] = native_url\n    else\n      # Web: HTML page that posts token to opener and closes\n      context.response.content_type = \"text/html\"\n      context.response.print(<<-HTML\n      <!DOCTYPE html>\n      <html>\n      <head><title>Login successful</title></head>\n      <body>\n        <h1>Login successful</h1>\n        <p>You can close this window.</p>\n        <script>\n          if (window.opener) {\n            window.opener.postMessage({\n              type: 'oauth_success',\n              token: '#{actor.token}',\n              username: '#{actor.username}',\n              actorId: '#{actor.id}'\n            }, 'https://#{DOMAIN}');\n            window.close();\n          }\n        </script>\n      </body>\n      </html>\n      HTML\n      )\n    end"}}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":8,"cache_creation_input_tokens":2442,"cache_read_input_tokens":65852,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":2442},"output_tokens":2,"service_tier":"standard"}},"requestId":"req_011CXdnrwNqtoDECLe9woGYR","type":"assistant","uuid":"aa906e0d-019d-4a2b-a5da-3c40e19a0d5a","timestamp":"2026-01-30T15:22:41.063Z"}
{"parentUuid":"aa906e0d-019d-4a2b-a5da-3c40e19a0d5a","isSidechain":false,"userType":"external","cwd":"/home/josie/development/personal/josiedot/place","sessionId":"36b028ca-0061-42de-a310-f77ba55fdd8d","version":"2.1.25","gitBranch":"main","slug":"harmonic-skipping-rainbow","type":"progress","data":{"type":"hook_progress","hookEvent":"PreToolUse","hookName":"PreToolUse:Edit","command":"python3 ${CLAUDE_PLUGIN_ROOT}/hooks/pretooluse.py"},"toolUseID":"toolu_011TqKreX74y5oSatLcbdHZS","parentToolUseID":"toolu_011TqKreX74y5oSatLcbdHZS","uuid":"58bea53d-3fb6-4f37-bc70-acc390cb9ff4","timestamp":"2026-01-30T15:22:41.064Z"}
{"parentUuid":"58bea53d-3fb6-4f37-bc70-acc390cb9ff4","isSidechain":false,"userType":"external","cwd":"/home/josie/development/personal/josiedot/place","sessionId":"36b028ca-0061-42de-a310-f77ba55fdd8d","version":"2.1.25","gitBranch":"main","slug":"harmonic-skipping-rainbow","type":"progress","data":{"type":"hook_progress","hookEvent":"PostToolUse","hookName":"PostToolUse:Edit","command":"python3 ${CLAUDE_PLUGIN_ROOT}/hooks/posttooluse.py"},"parentToolUseID":"toolu_011TqKreX74y5oSatLcbdHZS","toolUseID":"toolu_011TqKreX74y5oSatLcbdHZS","timestamp":"2026-01-30T15:22:42.791Z","uuid":"a96af314-eb79-483e-9da5-66c8cd00cc78"}
{"parentUuid":"aa906e0d-019d-4a2b-a5da-3c40e19a0d5a","isSidechain":false,"userType":"external","cwd":"/home/josie/development/personal/josiedot/place","sessionId":"36b028ca-0061-42de-a310-f77ba55fdd8d","version":"2.1.25","gitBranch":"main","slug":"harmonic-skipping-rainbow","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_011TqKreX74y5oSatLcbdHZS","type":"tool_result","content":"The file /home/josie/development/personal/josiedot/place/backend/src/location_server.cr has been updated successfully."}]},"uuid":"c43846cb-3074-43c5-bab6-e792cc6f0b56","timestamp":"2026-01-30T15:22:42.789Z","toolUseResult":{"filePath":"/home/josie/development/personal/josiedot/place/backend/src/location_server.cr","oldString":"    # Return HTML page that posts token to opener and closes\n    context.response.content_type = \"text/html\"\n    context.response.print(<<-HTML\n    <!DOCTYPE html>\n    <html>\n    <head><title>Login successful</title></head>\n    <body>\n      <h1>Login successful</h1>\n      <p>You can close this window.</p>\n      <script>\n        if (window.opener) {\n          window.opener.postMessage({\n            type: 'oauth_success',\n            token: '#{actor.token}',\n            username: '#{actor.username}',\n            actorId: '#{actor.id}'\n          }, 'https://#{DOMAIN}');\n          window.close();\n        }\n      </script>\n    </body>\n    </html>\n    HTML\n    )","newString":"    # Return response based on client type\n    if oauth_state.is_native\n      # Native app: redirect to custom URL scheme\n      native_url = \"josieplace://oauth-callback?token=#{actor.token}&username=#{URI.encode_path_segment(actor.username)}&actorId=#{URI.encode_path_segment(actor.id)}\"\n      context.response.status = HTTP::Status::FOUND\n      context.response.headers[\"Location\"] = native_url\n    else\n      # Web: HTML page that posts token to opener and closes\n      context.response.content_type = \"text/html\"\n      context.response.print(<<-HTML\n      <!DOCTYPE html>\n      <html>\n      <head><title>Login successful</title></head>\n      <body>\n        <h1>Login successful</h1>\n        <p>You can close this window.</p>\n        <script>\n          if (window.opener) {\n            window.opener.postMessage({\n              type: 'oauth_success',\n              token: '#{actor.token}',\n              username: '#{actor.username}',\n              actorId: '#{actor.id}'\n            }