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Commits
| Author | SHA1 | Message | Date | |
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 dayuan.jiang
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f811242568 |
refactor(providers): the UI, the connection test and the routes read the record's fields
Step 5 of the provider refactor plan. Provider names gave way to the record's credential and sdk fields in: hasCredentials (one rule per credential kind), the connection test (an Object.hasOwn check first, then a credential switch; EdgeOne's site endpoint and cookie forwarding follow credential none), the chat route (the on-site function and the single-system rule for the OpenAI SDK), the credentials form (which fields to show, the optional-key label, the base URL hint from the record), the picker (the note from the record), the logo (icon and logo fields), the settings dialog (test blocker, error hints, EdgeOne origin), the admin panel (fixedCredentials), chatRequestUrl (sdk), the model list (sdk aihubmix) and the zod schema (Object.hasOwn instead of 'in'). The eight provider-specific dictionary entries moved into the record as four-language objects; needAzure became a generic needUrl. Two intended behavior changes: the connection test answers 400 'Invalid provider' for an unknown name whether or not a key is sent (before: 400 'API key is required' without a key, 200 with an error text with one); and Azure has no placeholder default URL any more, so a new Azure entry starts with an empty URL and the generic 'needs a URL' rule applies. The e2e Azure test seeds no URL and expects the new wording. Out-of-layer provider-name checks: 44 before, 6 after (the admin panel's fixed-variable branches for Bedrock, Vertex AI and Ollama, kept on purpose). Behavior snapshot unchanged. |
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|
Dayuan Jiang
|
99ced88e5b |
fix(chat): use the AI SDK's own mechanisms for quota, retries, stops and notices (#987)
## Problem
A review of how the app uses the Vercel AI SDK (two Claude reviewers and Codex, each finding checked against the SDK's type definitions and source) found five behaviours that are wrong and a set of places where the app re-implements what the SDK already provides:
1. Quota tokens were recorded in `onFinish`, which the SDK does not call when a later step fails; only a user stop was handled (`onAbort`), and the write was not awaited.
2. An automatic retry after a tool error re-sent the request body as it was when the message was sent, so the model was told the "authoritative" canvas XML was the diagram from before the turn, although `display_diagram` commits a drawing before its screenshot check can fail.
3. The screenshot check and the connection test ran their model call on `AbortSignal.timeout` only, so pressing Stop (or closing the dialog) did not stop a paid model call.
4. The client ignored `finishReason`; a reasoning model that spent the whole output budget before calling a tool left the user with no diagram and no message.
5. The connection test counted an `invalid` tool call (a tool that does not exist, unreadable input) as proof of tool support.
## Change
- `onStepFinish` records each step's `usage.totalTokens` and awaits the write; the copies in `onFinish` and `onAbort` are gone.
- `DefaultChatTransport.prepareSendMessagesRequest` sends the current canvas page XML on every request after the first of a turn; the first keeps the exported (or snapshot) XML.
- `validate-diagram` and the connection test pass `req.signal` and use the SDK's `timeout` option; `validate-diagram` reports to Langfuse under `functionId: "validate-diagram"`.
- The connection test only counts a valid tool call.
- The client's `onFinish` shows a notice (with Retry) when `finishReason === "length"` and no tool was called.
- The server validates incoming messages with `safeValidateUIMessages` (400 otherwise), drops client system messages explicitly and prunes empty model messages with `pruneMessages`.
- The chat's tools live in `lib/chat-tools.ts` with an `outputSchema` for the client-side ones; `lib/chat-message.ts` defines `ChatUIMessage` (metadata, a `data-notice` part, `InferUITools`) so `useChat`, `addToolOutput` and the tool handlers are typed.
- Error notices are assistant messages with a `data-notice` part instead of role `system` UI messages.
- Regenerate, edit and retry use `sendMessage({ messageId })`; `isResending` and `flushSync` are gone.
- `isToolUIPart` / `getToolName` replace slicing `"tool-"` off part types; `ToolPartLike` derives from the SDK's part types.
Net: 578 insertions, 439 deletions over 16 files.
## Testing
- New unit tests: a step that fails after a finished step still counts that step's tokens; the screenshot check's model call ends when the request is aborted; an invalid tool call in the connection test gives the warning; malformed messages get a 400. The first and third confirm SDK behaviour the review relied on.
- `tsc`, `biome ci` (0 errors), root `vitest run` 723 passed on the branch rebased onto #986, `next build`: clean
- Playwright, 10 chat-related specs on the dev server: 199 passed, 0 failed, both before and after the rebase onto #986
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Dayuan Jiang
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60105ddb51 |
refactor: remove dead code and over-engineering found by two audits (#986)
## Problem
Two audits of the repository (a workflow of finder, dedup and per-file verifier agents, run on 2026-10-11 against 1f4141e and again against
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