[
  {
    "id": "T001",
    "description": "Provider resolver defaults to openrouter when AI_CHAT_PROVIDER is missing",
    "implemented": true,
    "featureIds": [
      "F001",
      "F002"
    ]
  },
  {
    "id": "T002",
    "description": "Provider resolver returns OpenRouter client/model when OpenRouter config is present",
    "implemented": true,
    "featureIds": [
      "F001",
      "F003"
    ]
  },
  {
    "id": "T003",
    "description": "Provider resolver returns Vertex client/model when AI_CHAT_PROVIDER=vertex and required config exists",
    "implemented": true,
    "featureIds": [
      "F001",
      "F004"
    ]
  },
  {
    "id": "T004",
    "description": "Vertex provider uses explicit VERTEX_OPENAPI_BASE_URL when provided",
    "implemented": true,
    "featureIds": [
      "F004",
      "F005"
    ]
  },
  {
    "id": "T005",
    "description": "Vertex provider derives base URL from VERTEX_PROJECT_ID and VERTEX_LOCATION when explicit URL is absent",
    "implemented": true,
    "featureIds": [
      "F004",
      "F005"
    ]
  },
  {
    "id": "T006",
    "description": "Vertex provider returns clear configuration error when required access token is missing",
    "implemented": true,
    "featureIds": [
      "F004"
    ]
  },
  {
    "id": "T007",
    "description": "Vertex request does not include thinking override payload when VERTEX_ENABLE_THINKING is true or unset",
    "implemented": true,
    "featureIds": [
      "F006"
    ]
  },
  {
    "id": "T008",
    "description": "Vertex request includes turn-level thinking disable payload when VERTEX_ENABLE_THINKING=false",
    "implemented": true,
    "featureIds": [
      "F006",
      "F030"
    ]
  },
  {
    "id": "T009",
    "description": "OpenRouter requests never include Vertex-specific thinking override payload",
    "implemented": true,
    "featureIds": [
      "F003",
      "F006"
    ]
  },
  {
    "id": "T010",
    "description": "Completion request validation accepts assistant messages with string reasoning_content",
    "implemented": true,
    "featureIds": [
      "F007",
      "F008"
    ]
  },
  {
    "id": "T011",
    "description": "Completion request validation rejects invalid reasoning_content types",
    "implemented": true,
    "featureIds": [
      "F008"
    ]
  },
  {
    "id": "T012",
    "description": "Conversation normalization preserves reasoning_content values on assistant messages",
    "implemented": true,
    "featureIds": [
      "F007",
      "F009"
    ]
  },
  {
    "id": "T013",
    "description": "Client-facing message sanitization does not drop reasoning_content needed for continuation",
    "implemented": true,
    "featureIds": [
      "F009",
      "F015"
    ]
  },
  {
    "id": "T014",
    "description": "Vertex message builder includes reasoning_content for assistant messages with preserved thinking",
    "implemented": true,
    "featureIds": [
      "F009",
      "F014"
    ]
  },
  {
    "id": "T015",
    "description": "OpenRouter message builder omits reasoning_content while maintaining compatible assistant payload",
    "implemented": true,
    "featureIds": [
      "F009",
      "F013"
    ]
  },
  {
    "id": "T016",
    "description": "Reasoning extraction derives reasoning_content from legacy <think> content when explicit reasoning_content is absent",
    "implemented": true,
    "featureIds": [
      "F013",
      "F014"
    ]
  },
  {
    "id": "T017",
    "description": "Response parsing prioritizes reasoning_content field over fallback reasoning field when both exist",
    "implemented": true,
    "featureIds": [
      "F013"
    ]
  },
  {
    "id": "T018",
    "description": "Response parsing falls back to reasoning field when reasoning_content is absent",
    "implemented": true,
    "featureIds": [
      "F013"
    ]
  },
  {
    "id": "T019",
    "description": "Assistant message appended during tool-call turn includes preserved reasoning_content",
    "implemented": true,
    "featureIds": [
      "F014",
      "F015"
    ]
  },
  {
    "id": "T020",
    "description": "Assistant message appended on final non-tool response includes preserved reasoning_content",
    "implemented": true,
    "featureIds": [
      "F014"
    ]
  },
  {
    "id": "T021",
    "description": "Non-stream completion path uses provider-resolved model/client for OpenRouter",
    "implemented": true,
    "featureIds": [
      "F010"
    ]
  },
  {
    "id": "T022",
    "description": "Non-stream completion path uses provider-resolved model/client for Vertex",
    "implemented": true,
    "featureIds": [
      "F010"
    ]
  },
  {
    "id": "T023",
    "description": "Completion requests preserve tool_choice:auto for both providers",
    "implemented": true,
    "featureIds": [
      "F012"
    ]
  },
  {
    "id": "T024",
    "description": "function_proposed response includes nextMessages/modelMessages with preserved reasoning context",
    "implemented": true,
    "featureIds": [
      "F015"
    ]
  },
  {
    "id": "T025",
    "description": "execute-after-approval continuation sends preserved assistant context and tool result before requesting follow-up completion",
    "implemented": true,
    "featureIds": [
      "F016",
      "F026"
    ]
  },
  {
    "id": "T026",
    "description": "Declined execution path preserves conversation consistency and returns assistant follow-up without executing endpoint",
    "implemented": true,
    "featureIds": [
      "F016",
      "F026"
    ]
  },
  {
    "id": "T027",
    "description": "handleExecute returns 400 for missing function call data",
    "implemented": true,
    "featureIds": [
      "F026"
    ]
  },
  {
    "id": "T028",
    "description": "Tool call identifiers remain stable between proposed call and function result replay",
    "implemented": true,
    "featureIds": [
      "F016",
      "F026"
    ]
  },
  {
    "id": "T029",
    "description": "Streaming route request validation accepts assistant reasoning_content",
    "implemented": true,
    "featureIds": [
      "F008",
      "F017"
    ]
  },
  {
    "id": "T030",
    "description": "Streaming route emits structured content-delta SSE events",
    "implemented": true,
    "featureIds": [
      "F017",
      "F018"
    ]
  },
  {
    "id": "T031",
    "description": "Streaming route emits structured reasoning-delta SSE events",
    "implemented": true,
    "featureIds": [
      "F017",
      "F019"
    ]
  },
  {
    "id": "T032",
    "description": "Streaming route emits function-proposal SSE event when model chooses tool call",
    "implemented": true,
    "featureIds": [
      "F017",
      "F020"
    ]
  },
  {
    "id": "T033",
    "description": "Streaming route emits terminal done event after successful completion",
    "implemented": true,
    "featureIds": [
      "F021"
    ]
  },
  {
    "id": "T034",
    "description": "Streaming route stops emission cleanly when request signal is aborted",
    "implemented": true,
    "featureIds": [
      "F022"
    ]
  },
  {
    "id": "T035",
    "description": "Streaming route returns 400 for malformed messages payload",
    "implemented": true,
    "featureIds": [
      "F017"
    ]
  },
  {
    "id": "T036",
    "description": "Streaming route preserves aiAssistant feature gating response semantics",
    "implemented": true,
    "featureIds": [
      "F030"
    ]
  },
  {
    "id": "T037",
    "description": "Streaming route preserves enterprise-edition gating response semantics",
    "implemented": true,
    "featureIds": [
      "F030"
    ]
  },
  {
    "id": "T038",
    "description": "SSE reader accumulates content tokens correctly from structured events",
    "implemented": true,
    "featureIds": [
      "F023",
      "F024"
    ]
  },
  {
    "id": "T039",
    "description": "SSE reader invokes onReasoning callback for reasoning events",
    "implemented": true,
    "featureIds": [
      "F023",
      "F024"
    ]
  },
  {
    "id": "T040",
    "description": "SSE reader invokes onToolCalls callback for function proposal events",
    "implemented": true,
    "featureIds": [
      "F023",
      "F025"
    ]
  },
  {
    "id": "T041",
    "description": "SSE reader stops and returns doneReceived=true on done event",
    "implemented": true,
    "featureIds": [
      "F023"
    ]
  },
  {
    "id": "T042",
    "description": "SSE reader ignores malformed JSON lines without crashing",
    "implemented": true,
    "featureIds": [
      "F023",
      "F029"
    ]
  },
  {
    "id": "T043",
    "description": "SSE reader cancels underlying reader when shouldContinue returns false",
    "implemented": true,
    "featureIds": [
      "F022",
      "F023"
    ]
  },
  {
    "id": "T044",
    "description": "Chat component updates in-progress reasoning state when reasoning stream events arrive",
    "implemented": true,
    "featureIds": [
      "F024"
    ]
  },
  {
    "id": "T045",
    "description": "Chat component sets pendingFunction when function proposal stream event arrives",
    "implemented": true,
    "featureIds": [
      "F025"
    ]
  },
  {
    "id": "T046",
    "description": "Approve action posts /api/chat/v1/execute with streamed functionCall metadata",
    "implemented": true,
    "featureIds": [
      "F026"
    ]
  },
  {
    "id": "T047",
    "description": "Decline action posts /api/chat/v1/execute with action=decline and keeps conversation usable",
    "implemented": true,
    "featureIds": [
      "F026"
    ]
  },
  {
    "id": "T048",
    "description": "Chat marks interrupted stream state correctly on stop/abort without false completion",
    "implemented": true,
    "featureIds": [
      "F022",
      "F024",
      "F032"
    ]
  },
  {
    "id": "T049",
    "description": "Quick Ask expanded chat path can receive streamed function proposal and complete approve->execute loop",
    "implemented": true,
    "featureIds": [
      "F027"
    ]
  },
  {
    "id": "T050",
    "description": "Right Sidebar chat path can receive streamed function proposal and complete approve->execute loop",
    "implemented": true,
    "featureIds": [
      "F028"
    ]
  },
  {
    "id": "T051",
    "description": "DB-backed happy path: approved function execution completes and persists final assistant message for the chat",
    "implemented": true,
    "featureIds": [
      "F016",
      "F026",
      "F032"
    ]
  },
  {
    "id": "T052",
    "description": "DB-backed guard path: declined or failed execution does not persist a false completed assistant message",
    "implemented": true,
    "featureIds": [
      "F022",
      "F026",
      "F032"
    ]
  },
  {
    "id": "T053",
    "description": "OpenRouter provider compatibility: streaming text-only responses still render correctly when no tool call occurs",
    "implemented": true,
    "featureIds": [
      "F002",
      "F029"
    ]
  },
  {
    "id": "T054",
    "description": "Vertex provider compatibility: reasoning+content streaming without tools still yields final assistant response",
    "implemented": true,
    "featureIds": [
      "F004",
      "F019",
      "F024"
    ]
  },
  {
    "id": "T055",
    "description": "Vertex preserved-thinking loop: second request after tool result includes prior assistant reasoning_content",
    "implemented": true,
    "featureIds": [
      "F009",
      "F014",
      "F016"
    ]
  },
  {
    "id": "T056",
    "description": "Unknown provider value falls back safely to OpenRouter behavior",
    "implemented": true,
    "featureIds": [
      "F002"
    ]
  },
  {
    "id": "T057",
    "description": "Env example documentation includes both provider setup blocks and required keys",
    "implemented": true,
    "featureIds": [
      "F031"
    ]
  },
  {
    "id": "T058",
    "description": "No migration required: chat persistence schema remains unchanged and existing read/write flows still pass",
    "implemented": true,
    "featureIds": [
      "F032"
    ]
  }
]