# Task: Diagnose local Agent submission stall

## Identity

- Task ID: 20260831-diagnose-agent-submit-f90e1b3f
- Mode: Feature
- Branch: codex/20260831-diagnose-agent-submit-f90e1b3f-diagnose-agent-submit-f90e1b3f
- Worktree: /Users/inmanx/Documents/makelore-diagnose-agent-submit-f90e1b3f
- Base commit: 38f85f6b5e4dc4e2c5e5b9f8f4506554cfd578f5
- Owner: codex
- Status: Ready for Integration

## Scope

- Diagnose the Makelore Code conversation shown with three settled
  `处理失败` groups and one accepted message remaining at `正在提交…`.
- Correlate the screenshot timestamp with the live Electron/Main/Pi process
  state, persisted Main logs, Renderer request reconciliation, and AI proxy
  error classification.
- Make no product-source, dependency, runtime, account, or external-service
  changes.

## Intent And Constraints

- Preserve the Main-owned Pi `0.84.2` boundary and do not replay an accepted
  mutation while diagnosing it.
- Treat the separate development worktree and running Electron process as
  read-only evidence.
- Distinguish expected background runtime sleep from an unexpected Agent
  Server crash.

## Outcome

- Identified the immediate failure as upstream Token Point exhaustion. At
  `2026-08-31T11:25:18Z`, `11:25:22Z`, `11:25:32Z`, and `11:25:59Z` (19:25
  Asia/Shanghai), the Main-owned AI proxy reached
  `https://token.nianxx.cn/v1/chat/completions` and received `403 Forbidden`
  with code `token_point_balance_exhausted` and message `词元点数余额不足`.
- Correlated the first three responses with the three settled failure groups.
  The final bubble had already received Host/Pi acceptance, so Renderer showed
  `1 条消息已被本地 Agent 接收。`; the screenshot was taken before the fourth
  provider failure terminal patch replaced the optimistic `正在提交…` state.
- Confirmed the later Agent Server disappearance was intentional
  `background_sleep` after the app lost foreground programming activity, with
  exit code 0 and `server.stopped`; no `server.invalidated` or unexpected crash
  occurred in the incident window.
- Found a secondary UX classification gap: the quota helper recognizes
  `token_balance_exhausted` and the proxy remaps quota only when upstream status
  is 429, while the observed service contract used status 403, code
  `token_point_balance_exhausted`, and Chinese `词元点数余额不足`. The response
  therefore remained a generic provider failure and the collapsed timeline
  exposed only `处理失败` instead of an actionable balance message.
- No product source or dependencies were changed.

## Verification

- Inspected the supplied screenshot at original resolution and matched its
  19:25 conversation time to the persisted Main log.
- Read `/Users/inmanx/Library/Application Support/niancode/logs/niancode-2026-08-31.log`;
  confirmed seven occurrences of the same balance-exhaustion contract during
  the current day, including all four requests in the screenshot window.
- Verified Electron PID `98444`, Host API port `13210`, and Vite port `5173`
  remained live while the Pi Agent Server later stopped through the expected
  background lifecycle.
- Inspected `src/stores/coding-conversations.ts`,
  `src/pages/Chat/CodingChatPanel.tsx`,
  `src/pages/Chat/CodingConversationTimeline.tsx`,
  `electron/api/routes/ai-proxy.ts`,
  `shared/ai-gateway-error-kind.ts`, and the Pi runtime/projector path.
- No tests were run because this task was diagnosis-only and made no behavior
  change.

## Follow-ups

- Restore sufficient Token Point balance before retrying the model request.
- If a product fix is requested, recognize the observed
  `token_point_balance_exhausted` contract independently of its 403/429 status,
  project a stable non-retryable quota error, show actionable Chinese copy, and
  add focused proxy/projector/Renderer regressions.

## Promotion Candidates

- None recorded.