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# Implementation Summary

**Session ID**: `phase40-session07-connection-probe-parity` **Completed**: 2026-07-03 **Duration**: \~1 hour

***

## Overview

Session 07 completed the Phase 40 connection probe parity slice. AI OS now adds safe CLI-backed status probes for GitHub, Google Workspace, Linear, and Spotify to the Hermes connections bridge, while preserving existing provider, auth.json, gateway, generic env-service, Notion, Airtable, and memory connection rows. The browser contract now also reports the skipped Hermes MCP probe as sanitized product metadata without executing `hermes mcp list`.

***

## Deliverables

### Files Created

| File                                                     | Purpose                                                                                                                                          | Lines |
| -------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------ | ----- |
| `scripts/lib/hermes-connection-probes.ts`                | Allowlisted no-output CLI probe definitions, timeout runner, canonical allowlist remapping, and 30 second status-only cache.                     | 257   |
| `scripts/lib/__tests__/hermes-connection-probes.test.ts` | Unit coverage for success, missing CLI, non-zero exit, timeout, cache reuse, cache expiry, no-output behavior, and allowlist metadata hardening. | 247   |

### Files Modified

| File                                                       | Changes                                                                                                                            |
| ---------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------- |
| `scripts/lib/hermes-dev-bridge.ts`                         | Integrated cached CLI probe rows and skipped MCP probe metadata into `readHermesConnections()`.                                    |
| `scripts/lib/__tests__/hermes-dev-bridge.test.ts`          | Added endpoint coverage for connected, missing, timeout, duplicate suppression, cache reuse, skip rationale, and no-leak behavior. |
| `src/lib/hermes-types.ts`                                  | Added skipped connection probe types and parser validation for expanded connection responses.                                      |
| `src/lib/__tests__/hermes-types.test.ts`                   | Added parser coverage for skipped probe summaries and malformed skip payloads.                                                     |
| `src/hooks/__tests__/use-hermes.test.tsx`                  | Updated hook fixtures and error coverage for expanded connection bodies.                                                           |
| `src/components/hermes/hermes-connections.tsx`             | Rendered skipped MCP context as product-facing copy without raw command details.                                                   |
| `src/components/hermes/__tests__/hermes-sections.test.tsx` | Added component coverage for skipped-probe rendering, connection filters, and command-detail non-leak behavior.                    |
| `src/lib/hermes-demo-data.ts`                              | Added demo-safe skipped probe fixture data matching the expanded connection body.                                                  |

***

## Technical Decisions

1. **Canonical allowlist remapping**: Injected probe candidates are matched against built-in definitions, then execution uses canonical metadata, argv, and timeout values so tests cannot widen the production probe contract.
2. **Status-only process execution**: CLI probes use fixed argv arrays, non-shell spawning, ignored stdio, timeout cleanup, and result mapping that stores no stdout, stderr, paths, account IDs, emails, env values, or tokens.
3. **Skipped MCP metadata instead of execution**: The bridge reports a sanitized skip rationale for Hermes MCP probing because the upstream command is not safe for non-interactive browser reads yet.

***

## Test Results

| Metric   | Value                                            |
| -------- | ------------------------------------------------ |
| Tests    | 4719                                             |
| Passed   | 4719                                             |
| Coverage | N/A - coverage was not emitted by `bun run test` |

Additional validation passed: focused connection suite 141/141, script typecheck, app typecheck, lint, changed-file formatting, whitespace, ASCII/LF, security, behavioral, and product-surface checks.

***

## Lessons Learned

1. Allowlist checks should canonicalize the full probe definition, not only the command and argv, because injected metadata and timeout values can otherwise weaken a bounded local-probe contract.
2. Browser-facing connection status should remain product metadata; raw local command names and TTY-safety details belong in tests and internal reports, not visible UI copy.

***

## Future Considerations

Items for future sessions:

1. Revisit Hermes MCP probing only after Hermes provides a safe non-interactive status command.
2. Keep Session 08 catalog and context metadata work on the expanded parser contract without adding raw local probe output.

***

## Session Statistics

* **Tasks**: 20 completed
* **Files Created**: 2 implementation files plus session reports
* **Files Modified**: 8 implementation files plus workflow tracking files
* **Tests Added**: Focused helper, bridge, parser, hook, and component tests
* **Blockers**: 0 resolved


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