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chore(handover): close the AOT-full-fidelity campaign section — v2.2.0 released #143

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chaploud merged 1 commit into from
Jul 9, 2026
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chore(handover): close the AOT-full-fidelity campaign section — v2.2.0 released #143

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55 changes: 19 additions & 36 deletions .dev/handover.md
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## Current state — MAINTENANCE MODE (post-v2.0.0)

**v2.1.0 is Latest** (tag `v2.1.0` @d5d685ad4, 2026-07-06 — D-475 table64-JIT;
release.yml auto-built Release + assets). v1 frozen at `v1.11.1`. The from-scratch build campaign is
COMPLETE; the autonomous `/continue` loop is RETIRED. Dev model: cut a
`develop/<slug>` branch from `main` → PR → CI `ci-required` 3-OS gate must be
**v2.2.0 is Latest** (tag `v2.2.0` @cf5d20d72, 2026-07-09 — AOT-full-fidelity
campaign: transparent `--cache` 2.2x cold start · full-runtime `.cwasm` v0.5 ·
PIC codegen D-516 fix; release.yml auto-built Release + 5 assets; release was
USER-DIRECTED 2026-07-09 per ADR-0156). v1 frozen at `v1.11.1`. Dev model: cut
a `develop/<slug>` branch from `main` → PR → CI `ci-required` 3-OS gate must be
green to merge. **Release stays user-only (ADR-0156)** — never autonomously tag /
publish / cut over. No active campaign/bundle; no cron self-re-arm.

## AOT-full-fidelity campaign — stages 1–5 DONE, closing (ADR-0203)

> **RELEASE DIRECTIVE (user, 2026-07-09)**: campaign V 完了後に v2.2.0
> タグ + リリース (ADR-0156 の明示指示として記録; `build.zig.zon` version
> bump + tag push → release.yml 自動)。headline = 透過キャッシュ (--cache,
> 2.2x cold start) + full-fidelity AOT (.cwasm v0.5, aot-diff 63/63) +
> PIC codegen (D-516 fix)。

- **Goal (user directive) ACHIEVED**: 本当の cwasm/AOT — deploy artifact
stays `.wasm`; `.cwasm` loads into the FULL runtime (cache-hit ==
cache-miss by construction); transparent `run --cache[=DIR]` on top.
- **Merged**: kickoff #136 (phases I–III: findings meta_audit · cross-process
`test-aot-diff` net w/ RATCHET-FLIP table · ADR-0203 D1–D6) · stage 1 #137
(36 helper bakes → `[rt+off]` slots, D-516) · stage 2 #138 (format v0.5:
embedded wasm_bytes/func_extras/EH; `load_compiled.zig` deserializer;
D-519) · stage 3 #139 (run-path swap; mini-runtime DELETED; CWAS refusals
removed; §4.5.4 start-func JIT bug fixed; D-517+D-518; D-520 CI hole fixed)
· stage 4 #140 (elision serialization D-515(1); ElidedArtifactNeedsGuardedHost).
- **Stage 5 PR #141 (in CI)** — D-508 `--cache`: src/cli/cache.zig, SHA-256
content key, versioned dir `zwasm-<ver>-<arch>-<os>-<bounds>`, measured
2.2x (tinygo_json 9.2→4.1ms). DA critique (14/20) fixes in-PR: HIT
header-gate + self-heal, compile-refusal = BYPASS (never exit 1), interp
bypass, unique temp, trust-model doc; aot-diff 63/63 W/ CACHE LANES.
- **Stage V retro (develop/aot-campaign-v-retro, stacked on #141)**: bench
history recorded (parity, worst +1%) · ADR-0203 → Implemented · docs
(cli.md --cache + stale .cwasm claims fixed; README) · explicit
`.cwasm --engine interp` loud refusal + E2E · lesson
failure-path-tests-certified-the-defect · debt reconciled (68 rows;
D-515(2) spec-corpus-under-elision is the only campaign residual).
- **NEXT**: merge #141 → rebase + PR retro branch → merge → **v2.2.0
release (user-directed: version bump + tag → release.yml)** → close
campaign section here.
## AOT-full-fidelity campaign — CLOSED 2026-07-09 (ADR-0203 Implemented)

Kickoff #136 (phases I–III) · stage 1 #137 (36 helper bakes → `[rt+off]`
slots, D-516) · stage 2 #138 (format v0.5 + `load_compiled.zig`
deserializer, D-519) · stage 3 #139 (run-path swap, mini-runtime DELETED,
§4.5.4 start-func JIT bug fixed, D-517+D-518, D-520 CI hole) · stage 4
#140 (elision serialization D-515(1)) · stage 5 #141 (`--cache` D-508;
DA-critique failure-path fixes: HIT header-gate + self-heal, refusal =
BYPASS, interp bypass) · stage V #142 (retro: bench parity record, docs,
`.cwasm --engine interp` loud refusal, lesson
failure-path-tests-certified-the-defect). Net: `zig build test-aot-diff`
cross-process differential 63/63 incl. cache lanes. **Residual =
D-515(2)** (spec-assert corpus under elision; harness memory
provisioning) + D-514 (SIMD elision symmetry) — both in debt.yaml.

## Active front — G-senior-gap (2026-07-06, /continue entry point)

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