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4 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Bohan Jiang
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a5a42846e6 |
fix(daemon): retry with a fresh session only when the resume was actually rejected (MUL-4966) (#5715)
* fix(daemon): gate fresh-session retry on tools executed, not session id (MUL-4966) Switching provider accounts leaves the stored session id pointing at a conversation the new account does not own. The daemon still passes it to --resume, the provider rejects it, and the task dies before doing any work. The existing fresh-session fallback was supposed to catch this but was gated on `result.SessionID == ""`, which is not a lifecycle fact: - Too narrow: a backend that echoes the requested id back when it rejects a resume keeps SessionID non-empty, so the fallback never fired — the reported bug. - Too broad: a provider 401 before the first stream message also leaves SessionID empty, so an unrecoverable auth failure burned a second full run. Gate on `tools == 0` instead. That states the property that actually makes a retry safe — the agent executed no tool, so it mutated nothing, so re-running cannot double-post a comment (comment creation has no idempotency key and a duplicate re-fires its @mention triggers), reopen a PR, or re-plan on top of its own half-finished work in the reused workdir. Auth failures are excluded, mirroring retryableReasons in service/task.go. The predicate is extracted to shouldRetryWithFreshSession so the tests exercise production logic; both existing fallback tests re-implemented the condition inline and would not have caught a regression in it. Co-authored-by: multica-agent <github@multica.ai> * fix(daemon): gate fresh-session retry on a positive resume-rejected signal (MUL-4966) Review of the previous commit was right: `tools == 0` plus "not an auth error" answers whether re-running is *safe*, not whether a new session can *fix* the failure. Those are orthogonal, and answering the second by exclusion inverts the burden of proof — the failures a fresh session cures are a small enumerable set, while the ones it cannot are open-ended. Concretely, the previous predicate fresh-retried on provider_network, 429/529, quota, 5xx and unclassified startup failures. provider_network is the sharpest conflict: internal/service/task.go marks it resume-safe (MUL-4910) specifically so the platform retry inherits the session and continues the truncated conversation. Resetting the session first made that contract unsatisfiable, silently discarding conversation context on a transient blip — and rate limits got an immediate no-backoff re-run. Replace the inference with positive evidence: agent.Result gains an explicit ResumeRejected field, set only when a backend has proof the resume itself was refused. claude/codebuddy/qwen derive it from resumeWasRejected, which promotes the predicate resolveSessionID was already computing and encoding as the side effect of blanking SessionID — using an empty string to carry that meaning is what made the original bug possible. SessionID keeps being dropped for a rejected resume (a dead pointer must not be persisted), but it is no longer the signal the daemon reads to decide *why* a run failed. The six ACP backends that recover from "session not found" set the flag at the same points they already clear the id, so their existing recovery is not caught by the narrower gate. codex needs nothing: thread/resume already falls back to thread/start in-process, and deliberately does not on transport errors. Matching now includes the account-switch guardrail reported in #5704 (Claude Code 2.1.207, zh-CN): "400 此 session 已绑定另外的ai账号，请执行 /new 开启新 session". The en-US wording of the same guardrail has not been captured yet, so those variants are marked inferred in the source; a miss degrades to a terminal failure carrying the provider's raw text rather than a mis-routed run. Tests: backend-level fixtures drive ResumeRejected from real stream-json for both the account-binding 400 and a network drop, and the predicate now covers network/rate-limit/quota/5xx/auth/unclassified as explicit non-retries. Co-authored-by: multica-agent <github@multica.ai> * fix(daemon): restore fresh-session recovery for backends with no rejection signal (MUL-4966) Final review caught qwen regressing: its verified rejection string ("No saved session found with ID ...", already captured in testdata/qwen-code-0.20.0-resume-not-found.stderr.txt) was not in the phrase list, and qwen reports no session id on that path, so the new inclusion gate turned a working auto-recovery into a terminal failure. Auditing the other 17 resume-capable backends showed qwen was not alone. antigravity, copilot, cursor, deveco and opencode all recovered from a refused resume purely by reporting an empty SessionID, and none of them has any rejection detection to convert into ResumeRejected — copilot's own comment documents the hole (session.error before session.start), and antigravity's helper returns "" when "the CLI exited before dispatching". Making ResumeRejected the sole gate silently removed recovery from all five. Fixing that by guessing rejection phrases for five more CLIs is the wrong trade: no real output has been captured for any of them, and a false positive discards a recoverable session pointer. So the gate is now two tiers. Positive evidence (ResumeRejected) decides on its own where a backend can produce it. Where none is available, an empty SessionID still gates the retry — it proves no session was established, which is exactly what the pre-change behaviour relied on — minus the classes a fresh session provably cannot cure (network, rate limit, quota, provider 5xx, auth). That keeps the resume-safe contract in internal/service/task.go intact while restoring what these five backends had. Also renames claudeResumeRejectedPhrases to resumeRejectedPhrases: it is matched by claude, codebuddy and qwen, so a qwen-only string living under a claude-prefixed name would be actively misleading. Tests: qwen's existing missing-resume fixture now asserts ResumeRejected (verified failing without the phrase), and the predicate covers the no-signal tiers — retry when nothing was established, no retry once a session exists or the failure classifies as uncurable. Co-authored-by: multica-agent <github@multica.ai> * fix(daemon): scope the no-signal fallback to backends that cannot detect rejections (MUL-4966) Final review caught the compatibility path applying to every backend, not just the five it was justified for. shouldRetryWithFreshSession only saw (Result, priorSessionID, tools), so a false ResumeRejected could not be told apart from a backend that has no way to answer — and claude/codebuddy/qwen/ACP startup failures with no session id still fell through to the exclusion branch. That contradicted both the stated intent and the function's own doc comment ("where a backend can produce it, it is the whole answer"). Make the capability explicit. agent.ResumeRejectionUndetectable names the five backends that scrape SessionID out of stream output and have no rejection detection at all; the daemon takes provider and consults it, so a capable backend reporting false is now taken at its word. Membership is opt-in, so a new backend fails closed instead of silently inheriting a guess-based retry. Also completes the exclusion set: missing config, unavailable model, missing executable, unsupported runtime version and (defensively) agent timeout all have defined non-session remedies and were reaching `default: true`. What is left through stays narrow — unknown, process failure, unparseable output, context overflow — because a real rejection from these five most likely surfaces as a non-zero exit or unparseable output, none of them reporting one explicitly. Tests: one identical result asserted across all five undetectable backends (retries), twelve capable ones (no retry), and an unregistered provider (fails closed), plus table cases for each newly excluded reason. Classifier inputs were verified to map to the intended reasons rather than passing by accident. Also updates the ResumeRejected doc comment, which still said the daemon gates on it alone. Co-authored-by: multica-agent <github@multica.ai> --------- Co-authored-by: Bohan-J <bohan@devv.ai> Co-authored-by: multica-agent <github@multica.ai> |
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Multica Eve
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cf1fc64671 |
MUL-4824: fail closed on incomplete Claude-style result streams (#5522)
* fix(agent): fail closed on incomplete stream results Co-authored-by: multica-agent <github@multica.ai> * fix(agent): tighten empty result fallback Co-authored-by: multica-agent <github@multica.ai> --------- Co-authored-by: Eve <eve@multica-ai.local> Co-authored-by: multica-agent <github@multica.ai> |
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Multica Eve
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083e045ec6 |
MUL-4103: harden Windows browser MCP config (#4976)
* fix: harden Windows browser MCP config Co-authored-by: multica-agent <github@multica.ai> * fix: address browser mcp review nits Co-authored-by: multica-agent <github@multica.ai> --------- Co-authored-by: Eve <eve@multica-ai.local> Co-authored-by: multica-agent <github@multica.ai> |
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Liu Guanzhong
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4594c776e1 |
feat(agent): add CodeBuddy as first-class CLI backend (#3186)
* feat(agent): add codebuddyBackend struct and buildCodebuddyArgs Introduces the codebuddy agent backend skeleton with args builder that mirrors claudeBackend's protocol flags (stream-json, bypass permissions, blocked args filtering) for the codebuddy CLI fork. * feat(agent): implement codebuddyBackend.Execute with stream-json parsing * feat(agent): wire codebuddy into New() factory and launchHeaders * feat(agent): add codebuddy dynamic model discovery from --help * feat(agent): add codebuddy thinking/effort discovery and providerThinkingEnums * feat(daemon): add codebuddy CLI probe, env vars, and args support * fix(agent): use len(models)==0 for default model instead of loop index * fix(agent): increase codebuddy --help timeout to 35s for slow CLI startup * fix(agent): address codebuddy PR review feedback - Wire codebuddy into execenv: reuse claude's CLAUDE.md, .claude/skills, and ~/.claude/skills paths since CodeBuddy is a Claude Code fork - Replace hardcoded 20-min timeout with runContext for zero-timeout = no-deadline semantics matching all other backends - Restore runContext regression tests lost in rebase merge - Mirror claude.go execution model: concurrent stdin write to prevent pipe deadlock, sync.Once for stdin closure, keep stdin open for control_request auto-approval mid-run - Add control_request handling with auto-approve behavior - Add RequestID/Request fields to codebuddySDKMessage - Add codebuddy to metrics knownRuntimeProviders - Add codebuddy to provider-logo.tsx (reuses ClaudeLogo) - Consolidate --help discovery: shared codebuddyHelpOutput cache eliminates duplicate cold-start invocations --------- Co-authored-by: krislliu <krislliu@tencent.com> |