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Add comprehensive architecture and design documentation#2

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khaliqgant merged 1 commit into
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claude/agent-communication-design-ZyM2n
Dec 20, 2025
Merged

Add comprehensive architecture and design documentation#2
khaliqgant merged 1 commit into
mainfrom
claude/agent-communication-design-ZyM2n

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  • ARCHITECTURE.md: Complete technical deep-dive covering all system
    components, protocol specification, message flows, state machines,
    storage, security model, and design trade-offs
  • EXECUTIVE_SUMMARY.md: High-level overview with visual diagrams
    explaining how agent-to-agent communication works

Both documents provide full transparency into system design and
known limitations.

- ARCHITECTURE.md: Complete technical deep-dive covering all system
  components, protocol specification, message flows, state machines,
  storage, security model, and design trade-offs
- EXECUTIVE_SUMMARY.md: High-level overview with visual diagrams
  explaining how agent-to-agent communication works

Both documents provide full transparency into system design and
known limitations.
@khaliqgant
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@numman-ali 👀

@numman-ali
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Wow this is actually really bloody cool man!!

It's pretty awesome that using the server poll you can just have the agents do their work!!

@khaliqgant
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Thanks @numman-ali! Let me know if this can hook into what you're working on in any way. Would love to join forces somehow

@khaliqgant khaliqgant merged commit d7fca0d into main Dec 20, 2025
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@khaliqgant khaliqgant deleted the claude/agent-communication-design-ZyM2n branch December 20, 2025 20:24
khaliqgant added a commit that referenced this pull request Apr 1, 2026
template-resolver.ts: shell-escape interpolated variables (CRITICAL #1)
broker_tests.rs: uncomment and wire up 5 real tests (CRITICAL #2)
worker_tests.rs: uncomment and wire up 5 real tests (CRITICAL #3)
worker.rs: log bypass-flag injection, add .. path traversal rejection (CRITICAL #4, #7)
verification.ts: export stripInjectedTaskEcho, add path traversal guard (CRITICAL #5)
runner.ts: remove duplicate stripInjectedTaskEcho, add ENV_ALLOWLIST filtering (HIGH #17)
channel-messenger.ts: add secret scrubbing, hoist regex constants (MEDIUM #27, #28)
process-spawner.ts: add settled guard for race condition (MEDIUM #23)
step-executor.ts: add sideEffects to callback type, deprecate alias (HIGH #15, #16)
index.ts: export StepExecutor directly (MEDIUM #29)
workflows/refactor/*.ts: replace hardcoded paths, remove --no-verify (HIGH #8-11)
broker.rs: move is_pid_alive to canonical location (HIGH #14)
cost/tracker.ts: add restrictive file permissions (MEDIUM #30)
cost/pricing.ts: add last-verified date (MEDIUM #31)
verification.test.ts: 9 new tests for exported helpers (MEDIUM #32)

Co-Authored-By: My Senior Dev <dev@myseniordev.com>
khaliqgant added a commit that referenced this pull request Apr 6, 2026
…#675)

* refactor: TDD decomposition of runner.ts + main.rs with extracted modules

Extracted 5 modules from runner.ts (6,878 lines):
- verification.ts (143 lines)
- template-resolver.ts (87 lines)
- channel-messenger.ts (151 lines)
- step-executor.ts (571 lines)
- process-spawner.ts (96 lines)

Added characterization tests for all extracted modules.
Extracted broker.rs and worker.rs from main.rs.

Bug fixes:
- Restore stripInjectedTaskEcho in verification.ts
- Guard agent.release() against broker 400 race condition
- Fix run-summary-table test for new table format
- Export normalizeModel for correct pricing resolution
- Fix --wave argument parsing in run-refactor.ts
- ESM imports in all workflow files

* fix: address 10 review finding(s)

tracker.ts: resolveModel now uses normalizeModel for alias resolution (pre-existing fix verified)
run-refactor.ts: --wave parsing with proper validation (pre-existing fix verified)
step-executor.ts: signal-killed processes now correctly treated as failures
channel-messenger.ts: replaced ReDoS-vulnerable regex with iterative indexOf stripping
runner.ts: eliminated shell injection by using direct git spawn with argument arrays
process-spawner.ts: fixed SIGKILL fallback timer leak by storing and clearing reference

Co-Authored-By: My Senior Dev <dev@myseniordev.com>

* Revert "chore: gitignore .trajectories/ (automated run artifacts) (#676)" (#677)

This reverts commit 07a8dc0.

* refactor: TDD decomposition of runner.ts + main.rs with extracted modules

Extracted 5 modules from runner.ts (6,878 lines):
- verification.ts (143 lines)
- template-resolver.ts (87 lines)
- channel-messenger.ts (151 lines)
- step-executor.ts (571 lines)
- process-spawner.ts (96 lines)

Added characterization tests for all extracted modules.
Extracted broker.rs and worker.rs from main.rs.

Bug fixes:
- Restore stripInjectedTaskEcho in verification.ts
- Guard agent.release() against broker 400 race condition
- Fix run-summary-table test for new table format
- Export normalizeModel for correct pricing resolution
- Fix --wave argument parsing in run-refactor.ts
- ESM imports in all workflow files

* trajectories correction again

* pre commit is executable

* remove tracked workflows

* fix: address 36 review findings across Rust and TypeScript modules

template-resolver.ts: shell-escape interpolated variables (CRITICAL #1)
broker_tests.rs: uncomment and wire up 5 real tests (CRITICAL #2)
worker_tests.rs: uncomment and wire up 5 real tests (CRITICAL #3)
worker.rs: log bypass-flag injection, add .. path traversal rejection (CRITICAL #4, #7)
verification.ts: export stripInjectedTaskEcho, add path traversal guard (CRITICAL #5)
runner.ts: remove duplicate stripInjectedTaskEcho, add ENV_ALLOWLIST filtering (HIGH #17)
channel-messenger.ts: add secret scrubbing, hoist regex constants (MEDIUM #27, #28)
process-spawner.ts: add settled guard for race condition (MEDIUM #23)
step-executor.ts: add sideEffects to callback type, deprecate alias (HIGH #15, #16)
index.ts: export StepExecutor directly (MEDIUM #29)
workflows/refactor/*.ts: replace hardcoded paths, remove --no-verify (HIGH #8-11)
broker.rs: move is_pid_alive to canonical location (HIGH #14)
cost/tracker.ts: add restrictive file permissions (MEDIUM #30)
cost/pricing.ts: add last-verified date (MEDIUM #31)
verification.test.ts: 9 new tests for exported helpers (MEDIUM #32)

Co-Authored-By: My Senior Dev <dev@myseniordev.com>

* style: auto-format Rust code with cargo fmt

* minor clean

* fix: reinstate deleted workflow files into workflows/ci/

Moved fix-mcp-spawn.yaml, add-swift-sdk.ts, and cli-observability.ts
into workflows/ci/ to clearly distinguish them as CI test suite
workflows. Updated .gitignore to allow workflows/ci/ and workflows/refactor/.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

* fix: address remaining Devin review findings and fix failing test

- Fix tracker test: expect mode: 0o700 in mkdirSync assertion
- Use Object.hasOwn() instead of `in` operator to avoid prototype chain false positives
- Use Promise.allSettled to preserve partial output on process timeout
- Apply path containment check for absolute paths in checkFileExists

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

* fix: address new Devin review findings — StepExecutor name collision and cwd trailing slash

- Rename StepExecutor interface in runner.ts to RunnerStepExecutor to avoid
  shadowing the StepExecutor class export in the barrel index
- Normalize cwd with path.resolve() in checkFileExists to handle trailing slashes

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

---------

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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3 participants