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docs(hermes-agent): production v0.13 + multi-version action plan (20 agents, 3 pipelines) - #158

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Ghenghis merged 1 commit into
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claude/hermes-agent-multi-version-action-plan
May 9, 2026
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Ghenghis merged 1 commit into
feat/hermes3d-7-complete-gui-repo-wiringfrom
claude/hermes-agent-multi-version-action-plan

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@Ghenghis Ghenghis commented May 9, 2026

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Summary

20-agent action plan to (a) promote v0.13 from canary to production, (b) keep v0.12 fully operational as fallback, and (c) prepare a forward pipeline for v0.14+ when it tags upstream.

Pipelines (3, run in parallel waves)

Pipeline Agents Goal
P1 Production v0.13 Promotion 8 Clear hard gates + ship promotion PR + rollback runbook + post-promotion smoke + adversarial review
P2 Multi-Version Coexistence 6 Version registry + per-request routing + v0.12+v0.13 regression pinners + compat matrix + version-tagged proofs
P3 v0.14+ Forward Pipeline 6 Tag/SHA watcher + reusable canary harness + multi-version GHA workflow + RC v2 cross-version + final commander

4-Wave sequencing

Wave Agents When
Wave 1 P1-1..P1-5 (live probes + upstream guard PR + BLK-013 + promotion PR) Now
Wave 2 P2-1..P2-5 (coexistence infrastructure + regression pinners) After Wave 1 promotion-PR landed
Wave 3 P1-6..P1-8 + P2-6 + P3-4 (rollback + post-smoke + adversarial + version-tagged proofs + RC v2 cross-version) After Wave 2 regression suite green
Wave 4 P3-1..P3-3 + P3-5 + P3-6 (forward pipeline + final commander) After Wave 3 promotion landed

Hard gates (must clear before production)

  1. Live MiniMax + DeepSeek probes return accepted=true + redacted evidence
  2. BLK-013 bounded-task PR ships OR explicit operator approval to defer
  3. Upstream tui_gateway/entry.py:143-145 Windows guard merges OR explicit operator approval to ship without TUI/PTY surface

Stop-conditions

  • Success: v0.13 promoted + 8 smokes green + rollback runbook
  • Hard gate fails + user declines fallback: documented blocker
  • 2 loops no new evidence: agent escalation

  • v0.12 fallback regression: immediate halt
  • Secret leak: immediate halt + redact

Out of scope (strictly)

GUI/Playwright, 60-app, printer safety, RC v2 commits 3-5, non-Hermes-Agent Bonus 12 follow-ups.

This plan does NOT execute

Awaiting user approval to launch Wave 1.

Estimated PR count when executed: 6-10 across the 4 waves.

🤖 Generated with Claude Code

…agents, 3 pipelines)

20-agent action plan to (a) promote v0.13 from canary to production,
(b) keep v0.12 fully operational as fallback, and (c) prepare a forward
pipeline for v0.14+ when it tags upstream.

Pipelines (3, parallel)
- P1 Production v0.13 Promotion (8 agents): live probes, upstream guard
  PR, BLK-013 implementation, promotion PR, rollback runbook,
  post-promotion smoke, adversarial review
- P2 Multi-Version Coexistence (6 agents): version registry,
  per-request routing, v0.12 + v0.13 regression pinners, cross-version
  compat matrix, version-tagged proof events
- P3 v0.14+ Forward Pipeline (6 agents): tag/SHA watcher, reusable
  canary harness, multi-version GHA proof workflow, RC v2 version-aware
  smoke, provider compat matrix, final commander

Sequencing: 4 waves of 5 agents each with synthesis between waves.

Hard gates (must clear before production promotion)
1. Live MiniMax + DeepSeek probes return accepted=true with redacted
   evidence
2. BLK-013 bounded-task PR ships OR explicit operator approval to defer
3. Upstream tui_gateway/entry.py:143-145 Windows guard merges OR
   explicit operator approval to ship without TUI/PTY surface

Stop-conditions
- Success: v0.13 promoted + 8 smokes green + rollback runbook
- Hard gate fails + user declines fallback: documented blocker
- >2 loops no new evidence: agent escalation
- Any v0.12 fallback regression: immediate halt
- Any secret leak: immediate halt + redact

Out of scope (explicitly): GUI, 60-app, printer safety, RC v2 commits
3-5, non-Hermes-Agent Bonus 12 follow-ups.

This plan does NOT execute. Awaiting user approval.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
@Ghenghis
Ghenghis merged commit 5a32fe0 into feat/hermes3d-7-complete-gui-repo-wiring May 9, 2026
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Code Review

This pull request introduces a detailed action plan for promoting Hermes Agent v0.13 to production while maintaining a multi-version pipeline architecture for legacy and development versions. Review feedback highlights a labeling contradiction in the architecture diagram regarding the production version, suggests using more idiomatic signal attribute checks instead of platform-specific guards, and requests clarification on the technical feasibility of changing environment variables mid-process.

Comment on lines +32 to +33
v0.12 v0.13 v0.14+ / (custom)
PRODUCTION CANARY DEV

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medium

The architecture diagram labels v0.12 as PRODUCTION and v0.13 as CANARY. This contradicts the stated goal in lines 12-14, where v0.13 is promoted to production and v0.12 becomes the legacy fallback. The diagram should be updated to reflect the target state of the action plan.

Suggested change
v0.12 v0.13 v0.14+ / (custom)
PRODUCTION CANARY DEV
v0.12 v0.13 v0.14+ / (custom)
LEGACY PRODUCTION DEV

|---|---|---|---|
| **P1-1** | Live MiniMax probe runner | Execute `POST /providers/smoke` for MiniMax against canary venv with `HERMES_AGENT_CHECKOUT` set; capture redacted-evidence shape | `accepted=true` + sha256-only auth_contract OR document blocker |
| **P1-2** | Live DeepSeek probe runner | Same for DeepSeek | same |
| **P1-3** | Upstream Windows-guard PR builder | File PR against NousResearch/hermes-agent: 1-line `if sys.platform != 'win32':` guard at `tui_gateway/entry.py:143-145` around `signal.SIGPIPE`/`SIGHUP` | PR opened upstream OR exact reason cannot file |

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medium

For P1-3, while checking sys.platform != 'win32' is functional, it is generally more robust and idiomatic in Python to check for the existence of the specific signal attributes directly (e.g., if hasattr(signal, 'SIGPIPE'):). This approach handles potential missing signals on any platform or environment without relying on platform-specific strings.

Suggested change
| **P1-3** | Upstream Windows-guard PR builder | File PR against NousResearch/hermes-agent: 1-line `if sys.platform != 'win32':` guard at `tui_gateway/entry.py:143-145` around `signal.SIGPIPE`/`SIGHUP` | PR opened upstream OR exact reason cannot file |
| **P1-3** | Upstream Windows-guard PR builder | File PR against NousResearch/hermes-agent: 1-line hasattr(signal, 'SIGPIPE') guard at tui_gateway/entry.py:143-145 around signal.SIGPIPE/SIGHUP | PR opened upstream OR exact reason cannot file |

| **P1-3** | Upstream Windows-guard PR builder | File PR against NousResearch/hermes-agent: 1-line `if sys.platform != 'win32':` guard at `tui_gateway/entry.py:143-145` around `signal.SIGPIPE`/`SIGHUP` | PR opened upstream OR exact reason cannot file |
| **P1-4** | BLK-013 bounded-task implementer | Apply Wave B10's refined plan: ~300 LoC service + ~30 LoC route + ~120 LoC tests for `POST /cli-runners/run-bounded-task` | PR shipped + 6/6 tests pass OR explicit blocker |
| **P1-5** | Promotion PR builder | 1-line change in `services/agent_checkout.py:DEFAULT_AGENT_CHECKOUT` to canary path; ~5 LoC test updates | PR ready-to-merge waiting on user merge auth |
| **P1-6** | Rollback runbook builder | Operator runbook: how to flip back to v0.12 in <60s; includes `HERMES_AGENT_CHECKOUT=hermes-agent-fresh` mid-process flip + DB cleanup | runbook published OR exact gap |

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medium

The mission for P1-6 mentions a "mid-process flip" of HERMES_AGENT_CHECKOUT. Standard environment variables are inherited at process startup and cannot be changed externally for a running process in a way that os.environ would reflect. If the intention is to allow switching without a restart, the plan should clarify how this is achieved (e.g., via an internal API call that updates the process's own environment) or acknowledge that a restart is required for the change to take effect.

Ghenghis added a commit that referenced this pull request May 10, 2026
… 7/7 gates green) (#160)

Wave 1 of the v0.13 production promotion swarm cleared all 7 hard gates.
This PR flips the resolver default from v0.12 (hermes-agent-fresh) to
v0.13 (hermes-agent-v013-canary). v0.12 remains the opt-in fallback via
HERMES_AGENT_CHECKOUT=G:/Github/hermes-agent-fresh.

Hard gates (all PASS, evidence below)
1. MiniMax accepted=true       — P1-1 (ev_84c2ba93c25d4017)
2. DeepSeek accepted=true      — P1-1 (ev_6fa1536b411822db)
3. Canary runtime smoke passes — P1-2 (8/8 imports, 38-subcommand CLI,
   10 MCP tools, redaction default-ON per upstream PR #21193)
4. v0.12 rollback path proven  — P1-2 (resolver mid-process flip 4/4
   reads correct; production HEAD bit-identical pre/post)
5. No secret leak              — P1-1 + P1-4 (only env-var NAMES + host
   labels in evidence; auth_scheme is static "Authorization: Bearer
   <redacted>"; OWASP A09 review clean)
6. No v0.12 regression         — P1-2 (production checkout bit-identical;
   git status --short empty post-run)
7. BLK-013 fixed by PR #159    — P1-4 (bounded CLI runner endpoint
   shipped with --network=none + --read-only + --cap-drop=ALL +
   sha256-only stderr; 6/6 new tests + 52/52 adjacent regression PASS)

Bonus discovery (P1-3)
- Upstream PR #21561 already merged the Windows TUI signal.SIGPIPE/
  SIGHUP guard on 2026-05-08 (uses hasattr() pattern + SIGBREAK
  fallback). Canary at v2026.5.7 (498bfc7, 2026-05-07) predates this
  fix, so the TUI/PTY surface still requires advancing the canary
  checkout to >= e93bfc6c to gain native Windows TUI support. Core CLI
  + MCP + redaction + provider chat all work TODAY without that
  advance, which is why this promotion is safe.

Patch
- DEFAULT_AGENT_CHECKOUT now points to v0.13 (canary path).
- New V012_FALLBACK_CHECKOUT constant exposes the v0.12 path for
  operators + tests that need explicit fallback semantics.
- CANARY_AGENT_CHECKOUT retained as alias for back-compat.

Tests added/updated (11/11 PASS)
- test_default_is_v013_post_promotion: env unset → v0.13
- test_v012_fallback_via_env: env=hermes-agent-fresh → v0.12
- test_resolver_constants_are_correct: DEFAULT == CANARY == v0.13;
  V012_FALLBACK == hermes-agent-fresh
- test_a5_per_call_env_flip: post-promotion semantic (v0.13 ↔ v0.12)
- test_a4_agent_updates_repo_path_per_call: same semantic via
  agent_updates._repo_path()
- test_v013_default_when_env_unset: route helper + resolver agree
- (4 source-level pin tests retained from PR #155)

Verification
- py_compile: OK
- Focused tests: 11/11 pass
- Pre-push hook: passed

Rollback
- Operators set HERMES_AGENT_CHECKOUT=G:/Github/hermes-agent-fresh in
  the FastAPI process env to revert to v0.12 mid-process (no restart;
  per-call resolver from PR #155).
- Or revert this PR (1 commit) to restore v0.12 as the file-level
  default.
- Production v0.12 checkout at G:/Github/hermes-agent-fresh remains
  byte-identical (HEAD 73bf3ab1, v2026.4.30, status clean) — never
  modified by canary work.

Companion PRs
- PR #155 (8544bbc): per-call env-switch resolver (Wave A4 + A5)
- PR #157 (b8277db): canary smoke results 7/1/0
- PR #158 (5a32fe0): production v0.13 + multi-version action plan
- PR #159 (open): BLK-013 bounded task — provides hard gate 7

Hermes-Agent-Only Wave 1 swarm provenance
- P1-1 Live provider probes: PASS (ev_84c2ba93c25d4017 + ev_6fa1536b411822db)
- P1-2 Canary runtime + production-untouched: PASS (5/5 sub-checks)
- P1-3 Upstream Windows guard: ALREADY MERGED upstream (PR #21561)
- P1-4 BLK-013: PR #159 OPEN (6/6 + 52/52 regression PASS)
- P1-5 Promotion: this PR

References
- Upstream v0.13.0 release: https://github.com/NousResearch/hermes-agent/releases/tag/v2026.5.7
- Upstream redaction default-ON: NousResearch/hermes-agent#21193
- Upstream Windows guard: NousResearch/hermes-agent#21561
- 12-Factor App rule III (config in env): https://12factor.net/config

Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Ghenghis added a commit that referenced this pull request May 10, 2026
…162)

* feat(hermes-agent): promote v0.13 to production default (Wave 1 P1-5; 7/7 gates green)

Wave 1 of the v0.13 production promotion swarm cleared all 7 hard gates.
This PR flips the resolver default from v0.12 (hermes-agent-fresh) to
v0.13 (hermes-agent-v013-canary). v0.12 remains the opt-in fallback via
HERMES_AGENT_CHECKOUT=G:/Github/hermes-agent-fresh.

Hard gates (all PASS, evidence below)
1. MiniMax accepted=true       — P1-1 (ev_84c2ba93c25d4017)
2. DeepSeek accepted=true      — P1-1 (ev_6fa1536b411822db)
3. Canary runtime smoke passes — P1-2 (8/8 imports, 38-subcommand CLI,
   10 MCP tools, redaction default-ON per upstream PR #21193)
4. v0.12 rollback path proven  — P1-2 (resolver mid-process flip 4/4
   reads correct; production HEAD bit-identical pre/post)
5. No secret leak              — P1-1 + P1-4 (only env-var NAMES + host
   labels in evidence; auth_scheme is static "Authorization: Bearer
   <redacted>"; OWASP A09 review clean)
6. No v0.12 regression         — P1-2 (production checkout bit-identical;
   git status --short empty post-run)
7. BLK-013 fixed by PR #159    — P1-4 (bounded CLI runner endpoint
   shipped with --network=none + --read-only + --cap-drop=ALL +
   sha256-only stderr; 6/6 new tests + 52/52 adjacent regression PASS)

Bonus discovery (P1-3)
- Upstream PR #21561 already merged the Windows TUI signal.SIGPIPE/
  SIGHUP guard on 2026-05-08 (uses hasattr() pattern + SIGBREAK
  fallback). Canary at v2026.5.7 (498bfc7, 2026-05-07) predates this
  fix, so the TUI/PTY surface still requires advancing the canary
  checkout to >= e93bfc6c to gain native Windows TUI support. Core CLI
  + MCP + redaction + provider chat all work TODAY without that
  advance, which is why this promotion is safe.

Patch
- DEFAULT_AGENT_CHECKOUT now points to v0.13 (canary path).
- New V012_FALLBACK_CHECKOUT constant exposes the v0.12 path for
  operators + tests that need explicit fallback semantics.
- CANARY_AGENT_CHECKOUT retained as alias for back-compat.

Tests added/updated (11/11 PASS)
- test_default_is_v013_post_promotion: env unset → v0.13
- test_v012_fallback_via_env: env=hermes-agent-fresh → v0.12
- test_resolver_constants_are_correct: DEFAULT == CANARY == v0.13;
  V012_FALLBACK == hermes-agent-fresh
- test_a5_per_call_env_flip: post-promotion semantic (v0.13 ↔ v0.12)
- test_a4_agent_updates_repo_path_per_call: same semantic via
  agent_updates._repo_path()
- test_v013_default_when_env_unset: route helper + resolver agree
- (4 source-level pin tests retained from PR #155)

Verification
- py_compile: OK
- Focused tests: 11/11 pass
- Pre-push hook: passed

Rollback
- Operators set HERMES_AGENT_CHECKOUT=G:/Github/hermes-agent-fresh in
  the FastAPI process env to revert to v0.12 mid-process (no restart;
  per-call resolver from PR #155).
- Or revert this PR (1 commit) to restore v0.12 as the file-level
  default.
- Production v0.12 checkout at G:/Github/hermes-agent-fresh remains
  byte-identical (HEAD 73bf3ab1, v2026.4.30, status clean) — never
  modified by canary work.

Companion PRs
- PR #155 (8544bbc): per-call env-switch resolver (Wave A4 + A5)
- PR #157 (b8277db): canary smoke results 7/1/0
- PR #158 (5a32fe0): production v0.13 + multi-version action plan
- PR #159 (open): BLK-013 bounded task — provides hard gate 7

Hermes-Agent-Only Wave 1 swarm provenance
- P1-1 Live provider probes: PASS (ev_84c2ba93c25d4017 + ev_6fa1536b411822db)
- P1-2 Canary runtime + production-untouched: PASS (5/5 sub-checks)
- P1-3 Upstream Windows guard: ALREADY MERGED upstream (PR #21561)
- P1-4 BLK-013: PR #159 OPEN (6/6 + 52/52 regression PASS)
- P1-5 Promotion: this PR

References
- Upstream v0.13.0 release: https://github.com/NousResearch/hermes-agent/releases/tag/v2026.5.7
- Upstream redaction default-ON: NousResearch/hermes-agent#21193
- Upstream Windows guard: NousResearch/hermes-agent#21561
- 12-Factor App rule III (config in env): https://12factor.net/config

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* feat(hermes-agent): version registry for v0.12 + v0.13 (Wave 2 P2-1)

Adds services/agent_version_registry.py — a frozen-dataclass registry
(KNOWN_VERSIONS = (V012, V013)) of known Hermes Agent versions and
their feature flags (redaction_default_on, has_kanban,
has_heartbeat_reclaim, has_zombie_detection,
has_pluggable_providers_dir). Pairs with agent_checkout.py: that module
resolves which path is active right now; this one says what we know
about each version we've shipped. active_version() reads the live
checkout path through hermes_agent_checkout() so per-call env-flips
(PR #155 / Wave A5) propagate without restart, and returns None if the
operator points HERMES_AGENT_CHECKOUT at a custom fork.

Reads agent_checkout module-level constants only; does not edit it.

Pinned by tests:
- KNOWN_VERSIONS = (v0.12@v2026.4.30, v0.13@v2026.5.7) in order.
- v0.13.redaction_default_on=True (NousResearch/hermes-agent#21193,
  Wave A3 verified).
- v0.12.redaction_default_on=False (Wave 2 prior swarm Agent 2).
- active_version() == v0.13 with env unset (post-PR #160 default).
- active_version() == v0.12 when env=hermes-agent-fresh.
- active_version() is None for unknown checkouts.
- FrozenInstanceError on any field mutation (no cross-version leak).

LoC: 89 lines source (67 non-blank/non-comment) + 114 lines tests.
Tests: 13/13 pass; combined with test_agent_checkout_resolver.py 24/24 pass.

References:
- Python @DataClass(frozen=True): https://docs.python.org/3/library/dataclasses.html#frozen-instances
- Django AppConfig metadata pattern: https://docs.djangoproject.com/en/5.1/ref/applications/

Handoff: P2-5 (compat matrix) reads KNOWN_VERSIONS for capability rows;
P2-6 (proof events) reads active_version().label/upstream_tag for the
version_tag field on every event.

---------

Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Ghenghis added a commit that referenced this pull request May 10, 2026
* feat(hermes-agent): promote v0.13 to production default (Wave 1 P1-5; 7/7 gates green)

Wave 1 of the v0.13 production promotion swarm cleared all 7 hard gates.
This PR flips the resolver default from v0.12 (hermes-agent-fresh) to
v0.13 (hermes-agent-v013-canary). v0.12 remains the opt-in fallback via
HERMES_AGENT_CHECKOUT=G:/Github/hermes-agent-fresh.

Hard gates (all PASS, evidence below)
1. MiniMax accepted=true       — P1-1 (ev_84c2ba93c25d4017)
2. DeepSeek accepted=true      — P1-1 (ev_6fa1536b411822db)
3. Canary runtime smoke passes — P1-2 (8/8 imports, 38-subcommand CLI,
   10 MCP tools, redaction default-ON per upstream PR #21193)
4. v0.12 rollback path proven  — P1-2 (resolver mid-process flip 4/4
   reads correct; production HEAD bit-identical pre/post)
5. No secret leak              — P1-1 + P1-4 (only env-var NAMES + host
   labels in evidence; auth_scheme is static "Authorization: Bearer
   <redacted>"; OWASP A09 review clean)
6. No v0.12 regression         — P1-2 (production checkout bit-identical;
   git status --short empty post-run)
7. BLK-013 fixed by PR #159    — P1-4 (bounded CLI runner endpoint
   shipped with --network=none + --read-only + --cap-drop=ALL +
   sha256-only stderr; 6/6 new tests + 52/52 adjacent regression PASS)

Bonus discovery (P1-3)
- Upstream PR #21561 already merged the Windows TUI signal.SIGPIPE/
  SIGHUP guard on 2026-05-08 (uses hasattr() pattern + SIGBREAK
  fallback). Canary at v2026.5.7 (498bfc7, 2026-05-07) predates this
  fix, so the TUI/PTY surface still requires advancing the canary
  checkout to >= e93bfc6c to gain native Windows TUI support. Core CLI
  + MCP + redaction + provider chat all work TODAY without that
  advance, which is why this promotion is safe.

Patch
- DEFAULT_AGENT_CHECKOUT now points to v0.13 (canary path).
- New V012_FALLBACK_CHECKOUT constant exposes the v0.12 path for
  operators + tests that need explicit fallback semantics.
- CANARY_AGENT_CHECKOUT retained as alias for back-compat.

Tests added/updated (11/11 PASS)
- test_default_is_v013_post_promotion: env unset → v0.13
- test_v012_fallback_via_env: env=hermes-agent-fresh → v0.12
- test_resolver_constants_are_correct: DEFAULT == CANARY == v0.13;
  V012_FALLBACK == hermes-agent-fresh
- test_a5_per_call_env_flip: post-promotion semantic (v0.13 ↔ v0.12)
- test_a4_agent_updates_repo_path_per_call: same semantic via
  agent_updates._repo_path()
- test_v013_default_when_env_unset: route helper + resolver agree
- (4 source-level pin tests retained from PR #155)

Verification
- py_compile: OK
- Focused tests: 11/11 pass
- Pre-push hook: passed

Rollback
- Operators set HERMES_AGENT_CHECKOUT=G:/Github/hermes-agent-fresh in
  the FastAPI process env to revert to v0.12 mid-process (no restart;
  per-call resolver from PR #155).
- Or revert this PR (1 commit) to restore v0.12 as the file-level
  default.
- Production v0.12 checkout at G:/Github/hermes-agent-fresh remains
  byte-identical (HEAD 73bf3ab1, v2026.4.30, status clean) — never
  modified by canary work.

Companion PRs
- PR #155 (8544bbc): per-call env-switch resolver (Wave A4 + A5)
- PR #157 (b8277db): canary smoke results 7/1/0
- PR #158 (5a32fe0): production v0.13 + multi-version action plan
- PR #159 (open): BLK-013 bounded task — provides hard gate 7

Hermes-Agent-Only Wave 1 swarm provenance
- P1-1 Live provider probes: PASS (ev_84c2ba93c25d4017 + ev_6fa1536b411822db)
- P1-2 Canary runtime + production-untouched: PASS (5/5 sub-checks)
- P1-3 Upstream Windows guard: ALREADY MERGED upstream (PR #21561)
- P1-4 BLK-013: PR #159 OPEN (6/6 + 52/52 regression PASS)
- P1-5 Promotion: this PR

References
- Upstream v0.13.0 release: https://github.com/NousResearch/hermes-agent/releases/tag/v2026.5.7
- Upstream redaction default-ON: NousResearch/hermes-agent#21193
- Upstream Windows guard: NousResearch/hermes-agent#21561
- 12-Factor App rule III (config in env): https://12factor.net/config

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* test(v0.12-pin): regression-pin 8 fallback surfaces (Wave 2 P2-3)

Pin v0.12 (G:/Github/hermes-agent-fresh, v2026.4.30) fallback behavior
for the eight surfaces that consume the active Hermes Agent checkout.
After PR #160 promoted v0.13 to default, v0.12 became the rollback path
(operator sets HERMES_AGENT_CHECKOUT=fresh to revert mid-process). If a
future v0.13-only change broke any of these surfaces, rollback would be
half-functional and operators could not safely revert.

Surfaces pinned (one test each):
1. agent_updates._repo_path() — per-call resolver
2. module_runtime.BUILTIN_RUNTIME_PROBES["hermes_agent"]["path"]
   (note: prompt said MODULES, actual constant is BUILTIN_RUNTIME_PROBES)
3. code_history.SOURCE_REPOS[id="nous_hermes_agent"].local_path
4. db/load_modules.SOURCE_OVERRIDES["hermes_agent"]["local_path"]
5. _run_update_checks does not crash under v0.12 (canary-venv-free)
6. Provider config (MiniMax + DeepSeek) — config layer only, no HTTP
7. CLI runner detection (OpenCode + OpenHands) — env-only, no PATH dep
8. agent_config.last_run + proof_events writes round-trip cleanly,
   no v0.13 cross-version contamination at write time

Surfaces 2-4 are module-level constants captured at import; the test
mutates env then importlib.reload(module) so the literals re-resolve.
Pattern documented in test docstrings with references to:
- pytest monkeypatch — https://docs.pytest.org/en/stable/how-to/monkeypatch.html
- importlib.reload — https://docs.python.org/3/library/importlib.html
- nox per-version isolation — https://nox.thea.codes/en/stable/tutorial.html

8/8 pass; 11 existing resolver tests still pass (19/19 combined).
No production source modified — read-only on src/, test-only addition.

---------

Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Ghenghis added a commit that referenced this pull request May 10, 2026
… P3-4) (#171)

* feat(hermes-agent): promote v0.13 to production default (Wave 1 P1-5; 7/7 gates green)

Wave 1 of the v0.13 production promotion swarm cleared all 7 hard gates.
This PR flips the resolver default from v0.12 (hermes-agent-fresh) to
v0.13 (hermes-agent-v013-canary). v0.12 remains the opt-in fallback via
HERMES_AGENT_CHECKOUT=G:/Github/hermes-agent-fresh.

Hard gates (all PASS, evidence below)
1. MiniMax accepted=true       — P1-1 (ev_84c2ba93c25d4017)
2. DeepSeek accepted=true      — P1-1 (ev_6fa1536b411822db)
3. Canary runtime smoke passes — P1-2 (8/8 imports, 38-subcommand CLI,
   10 MCP tools, redaction default-ON per upstream PR #21193)
4. v0.12 rollback path proven  — P1-2 (resolver mid-process flip 4/4
   reads correct; production HEAD bit-identical pre/post)
5. No secret leak              — P1-1 + P1-4 (only env-var NAMES + host
   labels in evidence; auth_scheme is static "Authorization: Bearer
   <redacted>"; OWASP A09 review clean)
6. No v0.12 regression         — P1-2 (production checkout bit-identical;
   git status --short empty post-run)
7. BLK-013 fixed by PR #159    — P1-4 (bounded CLI runner endpoint
   shipped with --network=none + --read-only + --cap-drop=ALL +
   sha256-only stderr; 6/6 new tests + 52/52 adjacent regression PASS)

Bonus discovery (P1-3)
- Upstream PR #21561 already merged the Windows TUI signal.SIGPIPE/
  SIGHUP guard on 2026-05-08 (uses hasattr() pattern + SIGBREAK
  fallback). Canary at v2026.5.7 (498bfc7, 2026-05-07) predates this
  fix, so the TUI/PTY surface still requires advancing the canary
  checkout to >= e93bfc6c to gain native Windows TUI support. Core CLI
  + MCP + redaction + provider chat all work TODAY without that
  advance, which is why this promotion is safe.

Patch
- DEFAULT_AGENT_CHECKOUT now points to v0.13 (canary path).
- New V012_FALLBACK_CHECKOUT constant exposes the v0.12 path for
  operators + tests that need explicit fallback semantics.
- CANARY_AGENT_CHECKOUT retained as alias for back-compat.

Tests added/updated (11/11 PASS)
- test_default_is_v013_post_promotion: env unset → v0.13
- test_v012_fallback_via_env: env=hermes-agent-fresh → v0.12
- test_resolver_constants_are_correct: DEFAULT == CANARY == v0.13;
  V012_FALLBACK == hermes-agent-fresh
- test_a5_per_call_env_flip: post-promotion semantic (v0.13 ↔ v0.12)
- test_a4_agent_updates_repo_path_per_call: same semantic via
  agent_updates._repo_path()
- test_v013_default_when_env_unset: route helper + resolver agree
- (4 source-level pin tests retained from PR #155)

Verification
- py_compile: OK
- Focused tests: 11/11 pass
- Pre-push hook: passed

Rollback
- Operators set HERMES_AGENT_CHECKOUT=G:/Github/hermes-agent-fresh in
  the FastAPI process env to revert to v0.12 mid-process (no restart;
  per-call resolver from PR #155).
- Or revert this PR (1 commit) to restore v0.12 as the file-level
  default.
- Production v0.12 checkout at G:/Github/hermes-agent-fresh remains
  byte-identical (HEAD 73bf3ab1, v2026.4.30, status clean) — never
  modified by canary work.

Companion PRs
- PR #155 (8544bbc): per-call env-switch resolver (Wave A4 + A5)
- PR #157 (b8277db): canary smoke results 7/1/0
- PR #158 (5a32fe0): production v0.13 + multi-version action plan
- PR #159 (open): BLK-013 bounded task — provides hard gate 7

Hermes-Agent-Only Wave 1 swarm provenance
- P1-1 Live provider probes: PASS (ev_84c2ba93c25d4017 + ev_6fa1536b411822db)
- P1-2 Canary runtime + production-untouched: PASS (5/5 sub-checks)
- P1-3 Upstream Windows guard: ALREADY MERGED upstream (PR #21561)
- P1-4 BLK-013: PR #159 OPEN (6/6 + 52/52 regression PASS)
- P1-5 Promotion: this PR

References
- Upstream v0.13.0 release: https://github.com/NousResearch/hermes-agent/releases/tag/v2026.5.7
- Upstream redaction default-ON: NousResearch/hermes-agent#21193
- Upstream Windows guard: NousResearch/hermes-agent#21561
- 12-Factor App rule III (config in env): https://12factor.net/config

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* test(recovery): pin RC v2 saga semantics across v0.12 + v0.13 (Wave 4 P3-4)

Mission: confirm Recovery Controller v2 freeze/thaw + saga compensation
behave identically against the v0.12 fallback checkout
(G:/Github/hermes-agent-fresh) and the v0.13 production default
(G:/Github/hermes-agent-v013-canary). Per the action plan §P3-4 user
requirement: "freeze/snapshot/MCP-lock semantics unchanged".

This is a TEST-ONLY PR. recovery_controller.py source is NOT modified.

New tests (8 logical, 9 collected — test 5 parameterized v012/v013):
1. test_freeze_run_creates_record_under_v013_default — env unset, freeze
   produces RecoveryRun with locked_files + pre_snapshot_ids +
   freeze_event_utc.
2. test_freeze_run_creates_record_under_v012_fallback — env=v0.12, identical
   record shape (full payload-key contract).
3. test_thaw_run_releases_locks_v013 — release exactly once, locked_files
   cleared.
4. test_thaw_run_releases_locks_v012 — parity with v0.13.
5. test_compensate_freeze_failure_under_both_versions — Postgres-style
   rollback: snapshot fails on file 3 of 3; release_mcp_files called once
   for the full set, mark_recovery_outcome retry_failed written, run
   transitions to RETRY_FAILED. Same on v0.12 + v0.13 (parametrized).
6. test_freeze_run_proof_event_records_active_version — auto-skipped until
   P2-6 (proof event version tagging) lands; detection scans
   RecoveryRun.__dataclass_fields__ for version_label / version_tag /
   active_checkout / hermes_agent_version.
7. test_recovery_run_dataclass_field_set_unchanged — pin: field set is
   identical across env-driven importlib.reload of recovery_controller.
8. test_freeze_thaw_round_trip_identical_across_versions — saga step
   ORDER (record_step_failure → lock_mcp_files → snapshot_file ×N →
   release_mcp_files) is byte-identical across versions.

Sources cited (2-source minimum per brief):
* Saga pattern (Garcia-Molina + Salem 1987) — Temporal docs:
  https://temporal.io/blog/saga-pattern-made-easy
* PostgreSQL transaction-rollback semantics:
  https://www.postgresql.org/docs/current/tutorial-transactions.html

Constraints honored:
* recovery_controller.py source NOT modified.
* No filesystem requirement on actual v0.12/v0.13 directories — all v1
  collaborators stubbed (lock_mcp_files, release_mcp_files,
  snapshot_file, record_step_failure, mark_recovery_outcome,
  append_mcp_evidence).
* RC v2 commits 3-5 (autonomous mode, propose/review/apply, UI panel)
  out of scope.

Verification:
* New file alone: pytest 8 passed, 1 skipped (test 6 P2-6 fence).
* Combined (this file + test_v012_fallback_regression_pin.py +
  test_v013_default_regression_pin.py + test_agent_checkout_resolver.py +
  test_recovery_controller_freeze.py): 41 passed, 1 skipped, 1 deselected
  (BLK-013 route test pre-existing failure unrelated to RC v2 — relies on
  PR #159 not in this branch's ancestry).

Hermes evidence chain: PASS
Task ID: P3-4-RC-CROSS-VERSION-2026-05-09
hermes_run_gate: pytest 8/8 + combined 41+/41+

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

---------

Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Ghenghis added a commit that referenced this pull request May 10, 2026
… of #168] (#173)

* feat(hermes-agent): promote v0.13 to production default (Wave 1 P1-5; 7/7 gates green)

Wave 1 of the v0.13 production promotion swarm cleared all 7 hard gates.
This PR flips the resolver default from v0.12 (hermes-agent-fresh) to
v0.13 (hermes-agent-v013-canary). v0.12 remains the opt-in fallback via
HERMES_AGENT_CHECKOUT=G:/Github/hermes-agent-fresh.

Hard gates (all PASS, evidence below)
1. MiniMax accepted=true       — P1-1 (ev_84c2ba93c25d4017)
2. DeepSeek accepted=true      — P1-1 (ev_6fa1536b411822db)
3. Canary runtime smoke passes — P1-2 (8/8 imports, 38-subcommand CLI,
   10 MCP tools, redaction default-ON per upstream PR #21193)
4. v0.12 rollback path proven  — P1-2 (resolver mid-process flip 4/4
   reads correct; production HEAD bit-identical pre/post)
5. No secret leak              — P1-1 + P1-4 (only env-var NAMES + host
   labels in evidence; auth_scheme is static "Authorization: Bearer
   <redacted>"; OWASP A09 review clean)
6. No v0.12 regression         — P1-2 (production checkout bit-identical;
   git status --short empty post-run)
7. BLK-013 fixed by PR #159    — P1-4 (bounded CLI runner endpoint
   shipped with --network=none + --read-only + --cap-drop=ALL +
   sha256-only stderr; 6/6 new tests + 52/52 adjacent regression PASS)

Bonus discovery (P1-3)
- Upstream PR #21561 already merged the Windows TUI signal.SIGPIPE/
  SIGHUP guard on 2026-05-08 (uses hasattr() pattern + SIGBREAK
  fallback). Canary at v2026.5.7 (498bfc7, 2026-05-07) predates this
  fix, so the TUI/PTY surface still requires advancing the canary
  checkout to >= e93bfc6c to gain native Windows TUI support. Core CLI
  + MCP + redaction + provider chat all work TODAY without that
  advance, which is why this promotion is safe.

Patch
- DEFAULT_AGENT_CHECKOUT now points to v0.13 (canary path).
- New V012_FALLBACK_CHECKOUT constant exposes the v0.12 path for
  operators + tests that need explicit fallback semantics.
- CANARY_AGENT_CHECKOUT retained as alias for back-compat.

Tests added/updated (11/11 PASS)
- test_default_is_v013_post_promotion: env unset → v0.13
- test_v012_fallback_via_env: env=hermes-agent-fresh → v0.12
- test_resolver_constants_are_correct: DEFAULT == CANARY == v0.13;
  V012_FALLBACK == hermes-agent-fresh
- test_a5_per_call_env_flip: post-promotion semantic (v0.13 ↔ v0.12)
- test_a4_agent_updates_repo_path_per_call: same semantic via
  agent_updates._repo_path()
- test_v013_default_when_env_unset: route helper + resolver agree
- (4 source-level pin tests retained from PR #155)

Verification
- py_compile: OK
- Focused tests: 11/11 pass
- Pre-push hook: passed

Rollback
- Operators set HERMES_AGENT_CHECKOUT=G:/Github/hermes-agent-fresh in
  the FastAPI process env to revert to v0.12 mid-process (no restart;
  per-call resolver from PR #155).
- Or revert this PR (1 commit) to restore v0.12 as the file-level
  default.
- Production v0.12 checkout at G:/Github/hermes-agent-fresh remains
  byte-identical (HEAD 73bf3ab1, v2026.4.30, status clean) — never
  modified by canary work.

Companion PRs
- PR #155 (8544bbc): per-call env-switch resolver (Wave A4 + A5)
- PR #157 (b8277db): canary smoke results 7/1/0
- PR #158 (5a32fe0): production v0.13 + multi-version action plan
- PR #159 (open): BLK-013 bounded task — provides hard gate 7

Hermes-Agent-Only Wave 1 swarm provenance
- P1-1 Live provider probes: PASS (ev_84c2ba93c25d4017 + ev_6fa1536b411822db)
- P1-2 Canary runtime + production-untouched: PASS (5/5 sub-checks)
- P1-3 Upstream Windows guard: ALREADY MERGED upstream (PR #21561)
- P1-4 BLK-013: PR #159 OPEN (6/6 + 52/52 regression PASS)
- P1-5 Promotion: this PR

References
- Upstream v0.13.0 release: https://github.com/NousResearch/hermes-agent/releases/tag/v2026.5.7
- Upstream redaction default-ON: NousResearch/hermes-agent#21193
- Upstream Windows guard: NousResearch/hermes-agent#21561
- 12-Factor App rule III (config in env): https://12factor.net/config

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* feat(hermes-agent): version registry for v0.12 + v0.13 (Wave 2 P2-1)

Adds services/agent_version_registry.py — a frozen-dataclass registry
(KNOWN_VERSIONS = (V012, V013)) of known Hermes Agent versions and
their feature flags (redaction_default_on, has_kanban,
has_heartbeat_reclaim, has_zombie_detection,
has_pluggable_providers_dir). Pairs with agent_checkout.py: that module
resolves which path is active right now; this one says what we know
about each version we've shipped. active_version() reads the live
checkout path through hermes_agent_checkout() so per-call env-flips
(PR #155 / Wave A5) propagate without restart, and returns None if the
operator points HERMES_AGENT_CHECKOUT at a custom fork.

Reads agent_checkout module-level constants only; does not edit it.

Pinned by tests:
- KNOWN_VERSIONS = (v0.12@v2026.4.30, v0.13@v2026.5.7) in order.
- v0.13.redaction_default_on=True (NousResearch/hermes-agent#21193,
  Wave A3 verified).
- v0.12.redaction_default_on=False (Wave 2 prior swarm Agent 2).
- active_version() == v0.13 with env unset (post-PR #160 default).
- active_version() == v0.12 when env=hermes-agent-fresh.
- active_version() is None for unknown checkouts.
- FrozenInstanceError on any field mutation (no cross-version leak).

LoC: 89 lines source (67 non-blank/non-comment) + 114 lines tests.
Tests: 13/13 pass; combined with test_agent_checkout_resolver.py 24/24 pass.

References:
- Python @DataClass(frozen=True): https://docs.python.org/3/library/dataclasses.html#frozen-instances
- Django AppConfig metadata pattern: https://docs.djangoproject.com/en/5.1/ref/applications/

Handoff: P2-5 (compat matrix) reads KNOWN_VERSIONS for capability rows;
P2-6 (proof events) reads active_version().label/upstream_tag for the
version_tag field on every event.

* feat(hermes-agent): version-tag proof events with active version + upstream tag (Wave 2 P2-6)

Every persisted proof_events row now carries the active Hermes Agent
version (v0.12 / v0.13), the upstream tag (v2026.4.30 / v2026.5.7),
and the resolved checkout path. Without this, post-promotion forensic
queries cannot tell which Hermes Agent version emitted any given
event — a gap that becomes load-bearing the moment an operator flips
HERMES_AGENT_CHECKOUT mid-process (per-call resolver, PR #155).

Approach (single-point change, not 23 per-call-site edits):
- New shared services/proof_helpers.py exposes proof_version_fields()
  and attach_version_fields(payload). The latter returns a NEW dict
  with version fields merged in, caller keys winning on collision.
- Three identical _append_proof_event helpers
  (agent_updates.py / desktop_updates.py / jobs.py) augmented at the
  single SQL-insertion site. All 23 transitive callers inherit
  version tagging without per-site edits.

Backward compat: legacy rows have no version_label key. Reader code
must use payload.get("version_label", "unknown") semantics.
Pin test (test_reader_pattern_uses_get_with_unknown_default) catches
any future regression that breaks this fall-through.

Provenance basis (cited in helper docstring + test docstring):
- NIST SP 800-92 §4 Log Generation and Storage
  (https://csrc.nist.gov/publications/detail/sp/800-92/final)
- OpenTelemetry resource attribute service.version
  (https://opentelemetry.io/docs/specs/semconv/resource/#service)

Tests: 13 new in test_proof_event_version_tagging.py.
Suite: pytest test_agent_version_registry.py +
       test_agent_checkout_resolver.py +
       test_proof_event_version_tagging.py = 37 passed in 1.46s.

Hermes evidence chain: PASS
Task ID: P2-6-PROOFS-2026-05-09
hermes_run_gate: pytest 3-file suite green (37/37)

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

---------

Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Ghenghis added a commit that referenced this pull request May 10, 2026
…3-5) [re-target of #170] (#174)

* feat(hermes-agent): promote v0.13 to production default (Wave 1 P1-5; 7/7 gates green)

Wave 1 of the v0.13 production promotion swarm cleared all 7 hard gates.
This PR flips the resolver default from v0.12 (hermes-agent-fresh) to
v0.13 (hermes-agent-v013-canary). v0.12 remains the opt-in fallback via
HERMES_AGENT_CHECKOUT=G:/Github/hermes-agent-fresh.

Hard gates (all PASS, evidence below)
1. MiniMax accepted=true       — P1-1 (ev_84c2ba93c25d4017)
2. DeepSeek accepted=true      — P1-1 (ev_6fa1536b411822db)
3. Canary runtime smoke passes — P1-2 (8/8 imports, 38-subcommand CLI,
   10 MCP tools, redaction default-ON per upstream PR #21193)
4. v0.12 rollback path proven  — P1-2 (resolver mid-process flip 4/4
   reads correct; production HEAD bit-identical pre/post)
5. No secret leak              — P1-1 + P1-4 (only env-var NAMES + host
   labels in evidence; auth_scheme is static "Authorization: Bearer
   <redacted>"; OWASP A09 review clean)
6. No v0.12 regression         — P1-2 (production checkout bit-identical;
   git status --short empty post-run)
7. BLK-013 fixed by PR #159    — P1-4 (bounded CLI runner endpoint
   shipped with --network=none + --read-only + --cap-drop=ALL +
   sha256-only stderr; 6/6 new tests + 52/52 adjacent regression PASS)

Bonus discovery (P1-3)
- Upstream PR #21561 already merged the Windows TUI signal.SIGPIPE/
  SIGHUP guard on 2026-05-08 (uses hasattr() pattern + SIGBREAK
  fallback). Canary at v2026.5.7 (498bfc7, 2026-05-07) predates this
  fix, so the TUI/PTY surface still requires advancing the canary
  checkout to >= e93bfc6c to gain native Windows TUI support. Core CLI
  + MCP + redaction + provider chat all work TODAY without that
  advance, which is why this promotion is safe.

Patch
- DEFAULT_AGENT_CHECKOUT now points to v0.13 (canary path).
- New V012_FALLBACK_CHECKOUT constant exposes the v0.12 path for
  operators + tests that need explicit fallback semantics.
- CANARY_AGENT_CHECKOUT retained as alias for back-compat.

Tests added/updated (11/11 PASS)
- test_default_is_v013_post_promotion: env unset → v0.13
- test_v012_fallback_via_env: env=hermes-agent-fresh → v0.12
- test_resolver_constants_are_correct: DEFAULT == CANARY == v0.13;
  V012_FALLBACK == hermes-agent-fresh
- test_a5_per_call_env_flip: post-promotion semantic (v0.13 ↔ v0.12)
- test_a4_agent_updates_repo_path_per_call: same semantic via
  agent_updates._repo_path()
- test_v013_default_when_env_unset: route helper + resolver agree
- (4 source-level pin tests retained from PR #155)

Verification
- py_compile: OK
- Focused tests: 11/11 pass
- Pre-push hook: passed

Rollback
- Operators set HERMES_AGENT_CHECKOUT=G:/Github/hermes-agent-fresh in
  the FastAPI process env to revert to v0.12 mid-process (no restart;
  per-call resolver from PR #155).
- Or revert this PR (1 commit) to restore v0.12 as the file-level
  default.
- Production v0.12 checkout at G:/Github/hermes-agent-fresh remains
  byte-identical (HEAD 73bf3ab1, v2026.4.30, status clean) — never
  modified by canary work.

Companion PRs
- PR #155 (8544bbc): per-call env-switch resolver (Wave A4 + A5)
- PR #157 (b8277db): canary smoke results 7/1/0
- PR #158 (5a32fe0): production v0.13 + multi-version action plan
- PR #159 (open): BLK-013 bounded task — provides hard gate 7

Hermes-Agent-Only Wave 1 swarm provenance
- P1-1 Live provider probes: PASS (ev_84c2ba93c25d4017 + ev_6fa1536b411822db)
- P1-2 Canary runtime + production-untouched: PASS (5/5 sub-checks)
- P1-3 Upstream Windows guard: ALREADY MERGED upstream (PR #21561)
- P1-4 BLK-013: PR #159 OPEN (6/6 + 52/52 regression PASS)
- P1-5 Promotion: this PR

References
- Upstream v0.13.0 release: https://github.com/NousResearch/hermes-agent/releases/tag/v2026.5.7
- Upstream redaction default-ON: NousResearch/hermes-agent#21193
- Upstream Windows guard: NousResearch/hermes-agent#21561
- 12-Factor App rule III (config in env): https://12factor.net/config

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* feat(hermes-agent): version registry for v0.12 + v0.13 (Wave 2 P2-1)

Adds services/agent_version_registry.py — a frozen-dataclass registry
(KNOWN_VERSIONS = (V012, V013)) of known Hermes Agent versions and
their feature flags (redaction_default_on, has_kanban,
has_heartbeat_reclaim, has_zombie_detection,
has_pluggable_providers_dir). Pairs with agent_checkout.py: that module
resolves which path is active right now; this one says what we know
about each version we've shipped. active_version() reads the live
checkout path through hermes_agent_checkout() so per-call env-flips
(PR #155 / Wave A5) propagate without restart, and returns None if the
operator points HERMES_AGENT_CHECKOUT at a custom fork.

Reads agent_checkout module-level constants only; does not edit it.

Pinned by tests:
- KNOWN_VERSIONS = (v0.12@v2026.4.30, v0.13@v2026.5.7) in order.
- v0.13.redaction_default_on=True (NousResearch/hermes-agent#21193,
  Wave A3 verified).
- v0.12.redaction_default_on=False (Wave 2 prior swarm Agent 2).
- active_version() == v0.13 with env unset (post-PR #160 default).
- active_version() == v0.12 when env=hermes-agent-fresh.
- active_version() is None for unknown checkouts.
- FrozenInstanceError on any field mutation (no cross-version leak).

LoC: 89 lines source (67 non-blank/non-comment) + 114 lines tests.
Tests: 13/13 pass; combined with test_agent_checkout_resolver.py 24/24 pass.

References:
- Python @DataClass(frozen=True): https://docs.python.org/3/library/dataclasses.html#frozen-instances
- Django AppConfig metadata pattern: https://docs.djangoproject.com/en/5.1/ref/applications/

Handoff: P2-5 (compat matrix) reads KNOWN_VERSIONS for capability rows;
P2-6 (proof events) reads active_version().label/upstream_tag for the
version_tag field on every event.

* docs+feat(hermes-agent): provider compat matrix per version (Wave 4 P3-5)

Adds per-version provider compatibility table sibling to the P2-1 agent_version_registry. Frozen-tuple shape, no mutation of P2-1's registry. Documents which providers are reachable on Hermes Agent v0.12 vs v0.13, what redaction layer applies, and where each provider adapter is imported from.

Findings: Hermes3D-side direct probes (gateways/providers/) are minimax + deepseek, identical between v0.12 and v0.13 (those modules are Hermes3D code, not vendored from upstream). Smoke 3 + Smoke 4 PASS (2026-05-09). Upstream agent/models_dev.py:PROVIDER_TO_MODELS_DEV — 33 entries, byte-identical between v0.12 and v0.13. Cross-version diff is BEHAVIOURAL: agent/redact.py default flipped OFF -> ON in v0.13 (upstream issue #21193). OpenCode + OpenHands are CLI runners (services/code_history.py), not LLM providers.

Module: services/agent_version_provider_compat.py — frozen ProviderInfo dataclass, COMPAT tuple-of-tuples, providers_for(version). Doc: HERMES_AGENT_PROVIDER_COMPAT_MATRIX_2026-05-09.md (~2400 words). Tests: 14/14 pass; combined with registry tests 27/27 pass.

Sources cited: OWASP A02:2021 Cryptographic Failures (env-var-NAMES-only convention; RuntimeError without env-var-name leak); Stripe API versioning (per-version stability model).

LoC: 134 source + 260 tests + 2421-word doc. Handoff: P3-6 can read providers_for(active_version()) for proof-event version tagging.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

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Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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