chore(changelog): CHANGELOG.md -> CHANGELOG.jsonl (append-only JSONL)

ARCHITECTURE.json

@@ -1,7 +1,7 @@
 {
   "name": "🕹️ gamebox — Apple-native Win32 game runtime",
   "summary": "Run unmodified Win32 PE games natively on macOS / Apple Silicon via a hexa-only stack — PE loader + Win32 API shim + DirectX→Metal — WITHOUT Wine (Wine 0), under a strict own1 posture (no DRM / Warden / anti-cheat bypass, no anima clone).",
-  "note": "This JSON tree is the DOMAIN-TREE SSOT (update-in-place, NOT append-only) — it retires the former DOMAINS.tape roster + domains/*.md snapshots + domains/*.log.md logs (folded into CHANGELOG.md 2026-06-18).",
+  "note": "This JSON tree is the DOMAIN-TREE SSOT (update-in-place, NOT append-only) — it retires the former DOMAINS.tape roster + domains/*.md snapshots + domains/*.log.md logs (folded into CHANGELOG.jsonl 2026-06-18).",
   "meta": {
     "ssot": "github.com/dancinlife/gamebox",
     "parent": "dancinlab",
@@ -50,7 +50,7 @@
     },
     {
       "name": "ℹ️ doc pointers (SSOT split)",
-      "summary": "Component-level final-architecture prose lives in ARCHITECTURE.md; history/decisions → CHANGELOG.md; governance → CLAUDE.md; per-game/launcher SSOT → .roadmap.* + .checkpoint.* (this doc points, never duplicates)."
+      "summary": "Component-level final-architecture prose lives in ARCHITECTURE.md; history/decisions → CHANGELOG.jsonl; governance → CLAUDE.md; per-game/launcher SSOT → .roadmap.* + .checkpoint.* (this doc points, never duplicates)."
     },
     {
       "name": "ℹ️ node schema",

ARCHITECTURE.md

@@ -3,7 +3,7 @@
 > Single source of truth for the **final** architecture (component-level prose).
 > Update (overwrite) this file in place when the design changes — it is **not**
 > append-only. History and per-change decisions live in
-> [CHANGELOG.md](CHANGELOG.md). The **domain tree** (per-subsystem / per-game
+> [CHANGELOG.jsonl](CHANGELOG.jsonl). The **domain tree** (per-subsystem / per-game
 > goals + milestones) is `ARCHITECTURE.json` (tree SSOT, human viewer
 > `ARCHITECTURE.html` via `python3 serve.py`) — it retired the former
 > `DOMAINS.tape` + `domains/` snapshots on 2026-06-18.
@@ -79,7 +79,7 @@ CM-26..CM-30 (full launch + first-frame + sustained-frame render) land.
   reason; predecessor markers are preserved verbatim for traceability.
 - **Harness** — this repo is governed by the dancinlab harness
   (`.harness-engine/` submodule, `harness.config.json`). Architecture changes
-  update **this file** (SSOT); history goes to `CHANGELOG.md`; transient output
+  update **this file** (SSOT); history goes to `CHANGELOG.jsonl`; transient output
   goes under `scripts/scratch/`. Run `bash .harness-engine/bin/harness verify`
   (wraps `hexa verify`) and `bash .harness-engine/bin/harness docs check`
   before shipping. See [CLAUDE.md](CLAUDE.md) for the harness quick reference.

CLAUDE.md

@@ -7,7 +7,7 @@ Warden / anti-cheat bypass, no anima clone). The PE→D3D11→Metal pipeline is
 proven end-to-end with a self-authored own1 D3D11 PE (`validated_manjeom =
 first_own1_authored_d3d11_pe_to_metal_frame`, an infrastructure milestone) — but
 **no commercial game frame is evidenced yet**. Full design lives in
-[ARCHITECTURE.md](ARCHITECTURE.md); history in [CHANGELOG.md](CHANGELOG.md).
+[ARCHITECTURE.md](ARCHITECTURE.md); history in [CHANGELOG.jsonl](CHANGELOG.jsonl).
 
 ## Structure
 
@@ -30,7 +30,7 @@ gamebox/
 ├─ .checkpoint.*           — cross-roadmap forensic checkpoint snapshots
 ├─ hexa.toml               — hx manifest (name, version, entry)
 ├─ ARCHITECTURE.md         — architecture SSOT (update-in-place)
-├─ CHANGELOG.md            — append-only history
+├─ CHANGELOG.jsonl            — append-only history
 ├─ harness.config.json     — harness config (lockdown, lint, docs discipline)
 ├─ .github/workflows/      — CI (ci.yml — github-hosted macOS build+test)
 └─ .harness-engine/        — dancinlab harness submodule (governance engine)
@@ -43,7 +43,7 @@ gamebox/
 - **own2 honesty** — subcommands emit explicit PASS/FAIL/PARTIAL reasons;
   predecessor markers preserved verbatim.
 - **Single-doc discipline** — architecture goes to `ARCHITECTURE.md` (overwrite,
-  SSOT); history to `CHANGELOG.md` (append); transient output to
+  SSOT); history to `CHANGELOG.jsonl` (append); transient output to
   `scripts/scratch/`. Don't scatter `*-report.md` / dated notes at the repo root.
 - **Protected branches** — `main` / `master`. Open a PR from a feature branch.
 

README.md

@@ -399,7 +399,7 @@ SKELETON_TIER_WIN32 + E5_PIPELINE_PROVEN
 gamebox/
 ├── README.md
 ├── LICENSE                          Apache-2.0
-├── CHANGELOG.md
+├── CHANGELOG.jsonl
 ├── hexa.toml                        hx manifest (name, version, entry)
 ├── install.hexa                     hx build hook
 ├── cli/

harness.config.json

@@ -24,7 +24,7 @@
   "lint": {
     "freshnessFiles": [],
     "changelog": {
-      "file": "CHANGELOG.md",
+      "file": "CHANGELOG.jsonl",
       "triggerPattern": "\\.(hexa)$",
       "ignore": [
         "(^|/)(tests?|__tests__|spec)/",
@@ -44,14 +44,14 @@
   ],
   "docs": {
     "architecture": "ARCHITECTURE.md",
-    "log": "CHANGELOG.md",
+    "log": "CHANGELOG.jsonl",
     "scratchDir": "scripts/scratch",
     "scopeDirs": [
       ""
     ],
     "allow": [
       "README.md",
-      "CHANGELOG.md",
+      "CHANGELOG.jsonl",
       "ARCHITECTURE.md",
       "CLAUDE.md",
       "AGENTS.md",