feat: add flow_id to reauthorize status polling so stale "authorized" config status is not mistaken for a completed consent

[Pratham-Mishra04]

Summary

When an MCP client reauthorizes OAuth consent, its oauth_configs row has been "authorized" since the original bootstrap and never regresses. Polling the bare config status endpoint during a reauthorize flow therefore reads "authorized" on the very first tick, before the admin has signed in upstream, causing the dashboard to close the consent popup prematurely. This PR fixes that by threading a flow_id through the reauthorize response and status polling path so the server resolves status from the live flow row rather than the stale config row.

Changes

• POST /api/mcp/client/{id}/reauthorize now includes flow_id and a corrected status_url (with ?flow_id= appended) in its response, so callers know which flow row to poll against.
• GET /api/oauth/config/{id}/status accepts an optional flow_id query parameter. When present, it resolves the returned status from the flow row via a new resolveOAuthFlowPollStatus function rather than from the config row. The response echoes flow_id and includes a flow_status field with the raw flow row state. A flow_id that belongs to a different config returns 404.
• resolveOAuthFlowPollStatus encodes the resolution logic: pending/claiming flow rows return "pending", an expired-deadline pending row returns "expired", a failed row returns "failed", and a gone row falls back to the config status (with a "pending" config treated as "expired" since the bootstrap flow was swept without completing).
• A new "expired" status value is added to the OAuthConfigStatus schema and the OAuthStatusResponse type.
• The UI OAuth2Authorizer component now accepts flowId and expiresAt props, passes flow_id on every status poll, and stops polling with a timeout error once the flow deadline passes rather than waiting on a row the server may have already swept.
• The getOAuthConfigStatus RTK Query endpoint is updated to accept either a plain config ID string or an object with oauthConfigId and optional flowId.
• The onConflict handler in mcpClientsTable is corrected: a 409 during reauthorize means the consent did not actually complete, so it now shows an error toast instead of a false success.
• A table-driven unit test (mcp_oauth_flow_poll_status_test.go) covers all branches of resolveOAuthFlowPollStatus.
• OpenAPI docs are updated to document the new flow_id query parameter, the flow_id/flow_status response fields, the expired enum value, and the updated 404 condition.

Type of change

• Bug fix
• Feature
• Refactor
• Documentation
• Chore/CI

Affected areas

• Core (Go)
• Transports (HTTP)
• Providers/Integrations
• Plugins
• UI (React)
• Docs

How to test

1. Configure an MCP client with admin-mode OAuth and complete the initial authorization so the config status is "authorized".
2. Trigger a reauthorize flow. Confirm the response includes flow_id and that status_url contains ?flow_id=.
3. Poll GET /api/oauth/config/{id}/status?flow_id={flow_id} before completing the upstream consent. Confirm the response returns status: "pending" rather than "authorized".
4. Complete the upstream consent. Confirm the next poll returns status: "authorized".
5. Trigger a reauthorize flow and let it expire without completing. Confirm the poll returns status: "expired".
6. Confirm that polling without flow_id still returns the config's own status, unaffected.

# Core/Transports
go test ./transports/bifrost-http/handlers/...

# UI
cd ui
pnpm i || npm i
pnpm build || npm run build

Breaking changes

• No

The flow_id query parameter is optional and the endpoint is fully backward-compatible. The new "expired" status value is additive.

Security considerations

A flow_id supplied by the caller is validated against the config ID in the URL before any data is returned. A flow belonging to a different config returns 404, preventing a poll on config A from reading the state of config B's flow.

Checklist

• I read docs/contributing/README.md and followed the guidelines
• I added/updated tests where appropriate
• I updated documentation where needed
• I verified builds succeed (Go and UI)
• I verified the CI pipeline passes locally if applicable

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[Pratham-Mishra04]

• fix: widen OAuth2 client-controlled columns (state, scope, client_name) from varchar to text to stop Postgres rejecting long values with server_error #7405
• docs: add reregister endpoint and "Reauthorizing with a new client" section for invalid/dropped DCR client recovery #7230
• feat: add "Reauthorize with a new client" action to re-register OAuth client when provider rejects the existing client_id #7229
• feat: add ReregisterDynamicClient and POST /api/mcp/client/{id}/reregister to recover from evicted DCR registrations #7228
• fix: surface context-aware rejection message when inbound bearer token is rejected during delegated exchange #7051
• docs: add authenticated-user-without-access-profile breaking change and clarify allow_by_default scope in v2.1.0 changelog #7050
• feat: add flow_id to reauthorize status polling so stale "authorized" config status is not mistaken for a completed consent #7041 👈 (View in Graphite)
• docs: add refresh-tools endpoint and Manual Tool Refresh section across MCP connection docs #6929
• feat: add "Refresh tools" action to MCP client table for immediate tool re-discovery #6928
• feat: add RefreshMCPClientTools for on-demand tool rediscovery across all client types #6927
• docs: overhaul health monitoring docs to reflect adaptive cadence, automatic reconnect recovery, and simplified config knob #6931
• test: add STDIO respawn and SSE stream-drop checker reconnect tests #6930
• fix: preserve pending_verification state through EnableClient and connection checker #6926
• chore: clarify that connect-failure checker stops itself rather than retrying and rename test to match #6925
• fix: retry probe timeouts but treat dead sessions and auth failures as permanent in ProbeRetryConfig #6924
• feat: extend dead-session detection and recovery to executeToolInternal, renaming attemptAuthFailureRecovery to attemptCallFailureRecovery #6923
• fix: trigger reconnect after failed live-connection check instead of re-probing the same dead session #6922
• fix: preserve live connection on failed make-before-break re-dial instead of tearing it down #6921
• dev

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📝 Summary

Summary by CodeRabbit

• New Features

  • OAuth reauthorization now tracks individual flows for accurate status updates.
  • Status responses include flow identifiers and states, including expiration.
  • OAuth initiation responses provide flow-specific status URLs.
  • Users can retry failed or incomplete authorization flows with progress feedback.
  • Added an option to refresh available tools for MCP clients.

• Bug Fixes

  • Prevented stale configuration status from overriding active reauthorization flow state.
  • Validated that requested flows belong to the selected OAuth configuration.
  • Polling now enforces expiration deadlines and reports incomplete flows clearly.

Walkthrough

OAuth reauthorization now returns a flow ID, polls flow-specific status, handles expiration and incomplete consent, and exposes the related API and OpenAPI fields.

Changes

OAuth flow polling

Layer / File(s)	Summary
OAuth flow and status contracts docs/openapi/paths/management/oauth.yaml, docs/openapi/schemas/management/oauth.yaml	The API documents flow_id, flow-specific statuses, expiration, and invalid flow ownership responses.
Backend flow status resolution transports/bifrost-http/handlers/mcpoauth2.go, transports/bifrost-http/handlers/mcp.go, transports/bifrost-http/handlers/mcp_oauth_flow_poll_status_test.go	The backend resolves status from the requested flow, validates configuration ownership, returns flow metadata, and tests pending, expired, failed, completed, and missing-flow cases.
Frontend status API and response types ui/lib/store/apis/mcpApi.ts, ui/lib/types/mcp.ts	The frontend sends optional flow_id values, exposes flow identifiers and statuses, and exports the MCP client tools refresh mutation.
Reauthorization flow polling ui/app/workspace/mcp-registry/views/mcpClientsTable.tsx, ui/app/workspace/mcp-registry/views/oauth2Authorizer.tsx	The UI stores flow identifiers and deadlines, polls flow-specific status, fails expired flows, and retries incomplete authorization flows.

Priority: ➖ Normal

Estimated code review effort: 4 (Complex) | ~45 minutes

Sequence Diagram(s)

sequenceDiagram
  participant MCPClientsTable
  participant OAuth2Authorizer
  participant mcpApi
  participant getOAuthConfigStatus
  MCPClientsTable->>OAuth2Authorizer: Pass flowId and expiresAt
  OAuth2Authorizer->>mcpApi: Poll with oauthConfigId and flowId
  mcpApi->>getOAuthConfigStatus: Send flow_id
  getOAuthConfigStatus-->>mcpApi: Return resolved flow status
  mcpApi-->>OAuth2Authorizer: Return OAuth status
  OAuth2Authorizer-->>MCPClientsTable: Complete or retry reauthorization

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Merge Risk: 🔴 Critical · up to 1b141

The duplicate endpoint declaration prevents the frontend from compiling, so this PR is not mergeable until one declaration is removed.

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❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 75.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 4 functions across 7 files.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Title check	✅ Passed	The title clearly identifies the main change: adding flow_id to OAuth reauthorization status polling to prevent stale authorized status from ending consent prematurely.
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Actionable comments posted: 1

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Inline comments:
In `@ui/app/workspace/mcp-registry/views/oauth2Authorizer.tsx`:
- Line 146: Update handleRetry in the OAuth authorizer flow so retry creates a
fresh authorization flow instead of only resetting local state: clear or replace
the expired authorizeUrl, flowId, and expiresAt using a new reauthorization
request before reopening the popup. Preserve the timeout message’s promise that
Retry starts a new flow.

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In `@ui/lib/store/apis/mcpApi.ts`:
- Line 253: Remove the duplicate refreshMCPClientTools mutation declaration,
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Merge activity

• Sep 23, 6:50 AM UTC: A user started a stack merge that includes this pull request via Graphite.
• Sep 23, 7:24 AM UTC: Graphite rebased this pull request as part of a merge.
• Sep 23, 7:26 AM UTC: @Pratham-Mishra04 merged this pull request with Graphite.

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