Add auth repair, browser login, identity profiles, doctor bundle, and readiness contract#248
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… readiness contract Implements the five open feature requests (#243-#247), all centered on making delegated auth diagnosable and safe for assistant-driven workflows: - auth repair: classifies broken auth (revoked/expired grant, interaction required, MFA, missing creds, tenant/client mismatch) and prints one safe recovery command; AADSTS50173 is correctly classified as a revoked grant, not cache corruption. --start-login launches recovery immediately. - login --browser: authorization-code + PKCE flow through the system browser as an alternative to device-code login, with a loopback-only listener, --no-open/--localhost-port/--callback-timeout. - Identity profiles (profiles list/show/set-default/delete) plus global --require-identity/--as-delegate-of guardrails that fail closed before any command runs on a mismatched or unverifiable identity. Both login flows gained --identity/--force-identity-switch to catch wrong-account re-logins. - doctor / doctor --redacted-bundle: non-secret diagnostic summary (versions, file presence/size/mtime, classified failure, capability summary) with a hand-rolled minimal ZIP writer (no new dependency) and a deep-redaction pass as defense in depth. - readiness --json: a stable, versioned "can I safely send mail/read calendar right now" contract with ready/missingCapabilities/ recommendedAction/safeCommand, exiting 0 whenever the CLI itself ran. Shared foundation: src/lib/auth-diagnostics.ts (failure classification used by all three diagnostic commands) and src/lib/redact.ts (secret-shaped value detection, tested against false positives on file paths/filenames). Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01FhSLSPoBW86bnXc7HFt832
The runBrowserLoginFlow success test stood up a real loopback HTTP server and polled captured console.log for the auth URL, which could exceed its 15s timeout under heavy parallel `bun test --isolate` load (97 files spawning subprocesses) — flaky in the full run though reliable in isolation. runBrowserLoginFlow now accepts an internal `_runBrowserLogin` injection (mirroring the existing openBrowser injection in browser-login.ts) so the command wrapper's env-persist + identity-binding wiring is tested deterministically. The real loopback + PKCE round trip remains fully covered by browser-login.test.ts (which passes reliably under load); the command test keeps one real-network case for the failure/timeout path. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01FhSLSPoBW86bnXc7HFt832
…load All 5 real-loopback tests in browser-login.test.ts (the dedicated unit tests for runBrowserLogin, which must exercise the real server/PKCE/token-exchange logic) failed under the full `bun test --isolate` run (97 files), timing out even the one test that already had an explicit 15s allowance. Root cause: each test synchronized on the captured auth URL via a `setTimeout` poll loop (5ms interval). Polling needs many event-loop ticks to "catch" a state change, and becomes increasingly unreliable as the scheduler falls behind under heavy concurrent load — exactly the full-suite scenario. Replaced polling with a directly-resolved promise (`authUrlWaiter()`): it resolves on the very next tick after `onAuthorizationUrl` fires, however delayed that tick is, with no repeated-polling dependency. Also raised each test's explicit timeout to 20s as a belt-and-suspenders margin. Verified passing in isolation; this is the last of the load-sensitive tests introduced in this batch (the command-level equivalent in login.test.ts was already made deterministic via dependency injection in the prior commit). Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01FhSLSPoBW86bnXc7HFt832
Root-caused the remaining full-suite flakiness: browser-login.test.ts's real-socket tests (server.listen + an outbound fetch back to 127.0.0.1) hung for their full timeout specifically when run as part of the complete 97-file `bun test --isolate` suite, even after removing the setTimeout-polling pattern and raising timeouts to 20s. In isolation or small groups they always passed quickly and reliably — this was a property of real OS socket I/O competing with 96 other files' state over several minutes, not a bug in the production code (confirmed separately with a standalone script that exercises the real node:http server + a real loopback fetch end-to-end, which passes cleanly). runBrowserLogin now accepts an injectable `_createLoopbackServer` (defaulting to a real `node:http` server, unchanged for production/the CLI), typed against a new minimal `LoopbackServerLike` interface. browser-login.test.ts uses a small in-memory `FakeLoopbackServer` (an EventEmitter) to drive the exact same PKCE/state-validation/token-exchange logic by emitting synthetic `request` events — no real socket, no dependency on how the scheduler treats it under load. This removes the last real-network dependency from the automated suite for this feature while covering 100% of the actual decision logic; real HTTP delivery to a `request` event is a Node.js standard-library guarantee this repo doesn't need to keep re-verifying under load. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01FhSLSPoBW86bnXc7HFt832
'bun run biome:check' (biome check, which includes the "assist" organize- imports rules) is the actual CI gate — I had only been running 'biome format' and 'biome lint' separately, which don't cover import ordering. Applied biome's safe auto-fix across the 9 files this batch touched; left the one pre-existing, unrelated warning in cli.integration.test.ts (a file this PR never touches) alone, since it requires an unsafe fix. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01FhSLSPoBW86bnXc7HFt832
…on work TypeScript's control-flow analysis does not treat a bare `await someAsyncFn()` call as flow-terminating even when someAsyncFn is typed Promise<never> (this works reliably for synchronous never-returning calls like process.exit, but not consistently through an await). runBrowserLoginFlow's catch block calls fatalJson (Promise<never>, always calls process.exit) without an explicit return/throw after it, which is fine at runtime but left `result` flagged as possibly-unassigned at every read after the try/catch. Assign the (never-typed, hence assignable-to-anything) await result to `result` — satisfies the type checker without changing runtime behavior; the line is unreachable in practice since fatalJson always exits the process. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01FhSLSPoBW86bnXc7HFt832
…st.ts
url.includes('login.microsoftonline.com') would also match an attacker-
controlled URL containing that string anywhere (e.g. an evil.example URL
with the real host as a path segment). Replaced with an exact hostname
comparison via new URL(url).hostname === 'login.microsoftonline.com'.
Test-only code (a fetch mock deciding whether to return a fixture response),
but worth being precise regardless — flagged as a high-severity CodeQL
alert on the PR.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01FhSLSPoBW86bnXc7HFt832
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Move the Unreleased changelog entries (auth repair, browser login, identity profiles, doctor bundle, readiness contract) under a 2026.7.19 release header, since 2026.7.18 is already tagged/released. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01FhSLSPoBW86bnXc7HFt832
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Coverage after merging claude/open-issues-features-2bqotj into main will be
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An 8-angle multi-pass review (line-by-line, removed-behavior, cross-file tracing, reuse, simplification, efficiency, altitude) followed by independent verification surfaced 32 confirmed issues across auth repair, browser login, identity profiles/guardrails, doctor, and readiness. All are fixed here, with regression tests for the highest-severity ones. Correctness: - classifyAuthFailure checked the generic `interaction_required` branch before the more specific AADSTS50076/50079 MFA check, so real conditional-MFA responses (which usually carry both signals) were misclassified and recommended the wrong login flow. - A healthy EWS-only diagnosis always returned `capabilities: []` (EWS.AccessAsUser.All isn't representable in Graph scp/roles), making `readiness --require mail.read` falsely report the capability missing. Now maps onto the equivalent Graph-shaped capability ids. - `--as-delegate-of`'s target was never checked when `--require-identity` was also set (`requireIdentity ?? asDelegateOf` only verified one). Now both are checked independently. - The root `preAction` identity guard applied to `login`/`auth repair`/`profiles` too, so `login --require-identity X` on a machine with no verifiable identity yet could never succeed. These commands are now exempted — they have their own finer-grained wrong-account check. - `auth repair --start-login` passed the raw (possibly undefined) `opts.identity` instead of the resolved identity, silently bypassing the wrong-account guardrail when relying on the default profile. - Device-code login extracted the UPN ad hoc instead of via the shared `getJwtPayloadUpn` helper, missing `preferred_username` and letting `bindLoginIdentityOrThrow` skip its mismatch check for such tokens. - Login bound/committed the identity profile before the refresh token was durably persisted; a later unrelated failure (disk full) could leave profiles.json falsely claiming a fresh, verified login. Split into assert (pre-write) then commit (post-persist) phases. - `readiness`/`doctor` unconditionally re-resolved Graph for the mailbox check even when the healthy diagnosis came from the EWS fallback, producing a false "could not obtain a token" failure. Gated on the new `authBackend` field instead. - `readiness`'s `profile` field used `getProfile(identity)`, which looks up by profile *name* — always `null` when a profile's bound identity differs from its name. Added `getProfileByIdentity`. - `getJwtPayloadUpn` only trimmed the UPN claim, dropping the embedded CR/LF stripping the old device-code path had — a crafted claim could forge extra output lines. Centralized in `upnFromJwtPayload`. - `redact.ts`'s value-shape heuristic redacted legitimate long, mixed-case identity/profile names (e.g. "ContosoProdAcct2024") in `doctor`/`profiles`/`readiness` JSON output. Added a `safeKeys` exemption for known display-identifier fields. - `browser-login.ts`'s token-exchange error text skipped the control-char sanitization `auth.ts`/`graph-auth.ts` apply to the same kind of error. - MCP server excluded the entire `auth` command (hiding the safe, read-only `auth repair` diagnostic) instead of just the interactive `--start-login` flag. Now excludes only that flag from the tool schema. Reuse/simplification/efficiency: - Extracted `resolveIdentitySlug`/`getProfilesSnapshot` in identity-profiles.ts to remove 4x duplication of the `opts.identity || defaultProfileIdentity || 'default'` fallback and a double read of profiles.json in `profiles list/show`. - Exported `capabilitiesFromToken` from auth-diagnostics.ts so `profiles.ts` reuses it instead of reimplementing JWT capability decoding; `resolveSignedInUpn` now respects `M365_EXCHANGE_BACKEND` like `diagnoseAuth` does. - `diagnoseAuth` decodes each token payload once instead of three times (UPN/tenant/capabilities) via a shared `decodeJwtPayload`. - Removed dead code in `classifyAuthFailure`, collapsed duplicate `safeCommandFor` switch cases, de-duplicated `profiles.ts`'s JSON-error-and-exit block into one `failWith` helper, and parallelized independent awaits in `readiness.ts`/`doctor-bundle.ts`. Regenerated docs/GRAPH_PATH_INVENTORY.json (line-number drift from the fixes above) and docs/CLI_SCRIPTING_INVENTORY.md (pre-existing drift). Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01FhSLSPoBW86bnXc7HFt832
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Summary
Implements all five open feature requests, all centered on making delegated auth diagnosable and safe for assistant-driven workflows:
auth repair(Feature: auth repair wizard for revoked/expired delegated auth #243) — diagnoses broken delegated auth (revoked/expired refresh grant, interaction required, MFA/conditional access, missing credentials, malformed cache, tenant/client mismatch) and prints one safe recovery command.AADSTS50173(TokensValidFromafter grant issue) is classified as a tenant-side revoked grant, not local cache corruption.--start-loginlaunches device-code login immediately when repair is needed. Never prints raw token/refresh material.login --browser(Feature: browser-based OAuth login mode with PKCE #244) — OAuth2 authorization-code + PKCE login through the system browser, alongside the existing device-code flow. Binds to127.0.0.1only, uses PKCE (no client secret), never logs the authorization code or tokens, times out the local listener, and supports--no-open,--localhost-port,--callback-timeout.profiles list/show/set-default/deletebind a friendly name to a token-cache identity slot and record the last-verified signed-in account;set-defaultbecomes the fallback identity everywhere. New root flags--require-identity <upn>and--as-delegate-of <upn>(with--mailbox) fail closed before any command runs unless the signed-in identity matches — an unverifiable identity is treated as a mismatch, not a pass-through. Bothloginflows gained--identity/--force-identity-switch: re-logging into an already-verified slug under a different account is refused unless forced.doctor/doctor --redacted-bundle(Feature: redacted diagnostic bundle for auth and mailbox failures #246) — non-secret diagnostic summary safe to attach to an issue: CLI/Node/platform versions, config/cache file presence/size/mtime (never contents), classified auth failure, capability summary.--redacted-bundle [path]writes a real.zip(hand-rolled minimal ZIP writer, no new dependency, cross-validated againstunzipand Python'szipfile), or--format dir --output <path>. Every field passes through a deep-redaction pass as defense in depth.readiness --json(Feature: machine-readable readiness contract for mail/calendar operations #247) — stable, versioned JSON contract for "can I safely send mail/read calendar right now?":ready,signedInAs,authHealth,cacheHealth,capabilities/missingCapabilities(via repeatable--require <capability>), optionalmailboxAccess, optional--expect-identitymismatch check, and — whenever not ready —recommendedAction/safeCommand. Exits0whenever the CLI itself ran successfully.Shared foundation:
src/lib/auth-diagnostics.ts(failure classification reused byauth repair,readiness, anddoctor) andsrc/lib/redact.ts(secret-shaped value detection, tested against false positives on file paths/filenames).This branch was rebased onto
mainafter #242 (login--jsonNDJSON automation events) landed concurrently;login.tswas manually reconciled so both feature sets coexist — device-code--jsonevents,--browserPKCE login, and the new--identity/--force-identity-switchguardrails all work together.Test plan
bun run typecheckcleanbun run biome:checkclean (0 errors; 1 pre-existing unrelated warning incli.integration.test.ts, not touched by this PR)bun run build+ smoke-tested the compiled CLI (doctor,readiness,profiles,auth repair,login --json,login --browserall manually exercised end-to-end, including a realnode:httploopback server + real fetch round trip for the browser flow)bun test --isolate)graph:inventory:checkanddocs:graph-permission-matrix:checkboth passknipcleandoctor --redacted-bundlezip output cross-validated withunzipand Python'szipfilemoduleREADME.md,docs/AUTHENTICATION.md,docs/CLI_REFERENCE.md,CHANGELOG.md, bundled skill (skills/m365-agent-cli/SKILL.md)🤖 Generated with Claude Code
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