chore(forge): store conformance fixtures compactly

.gitignore

@@ -24,3 +24,7 @@ apps/desktop/src-tauri/gen/
 
 # Generated SBOMs (CI artifacts, never committed)
 *.cdx.json
+
+# Python bytecode (the conformance harness runs with python3 -I)
+__pycache__/
+*.pyc

crates/forge/conformance/FINDINGS.md

@@ -160,7 +160,8 @@ Each version passes its own fixtures (22/22). Checking the 1.22.6 fixtures again
 
 - A full record run takes about 2.5 to 3 minutes per version and needs a fresh server (the merge
   scenario waits for Gitea's async PR checks and is the slowest, about 45 s).
-- Fixtures are 3.5 MB across the two versions; compact JSON would roughly halve that.
+- Fixtures are stored compactly (header on one line, one exchange per line): 2.3 MB across the two versions, down from 3.8 MB.
+  Most of the rest is real payload (diffs, base64, git output), so further savings would mean dropping recorded content.
 
 ## Additional recordings (review follow-up)
 

crates/forge/conformance/README.md

@@ -7,7 +7,8 @@ serves, **recorded from real Gitea** rather than written by hand. A scenario run
 - `check` runs the same scenarios against any server and compares the result with the fixtures.
 - `diff` compares two fixture directories offline, for example `1.22.6` against `1.26.2`.
 
-`show` prints a readable digest of a fixture directory. Everything is Python 3 standard library plus
+`show` prints a readable digest of a fixture directory. `selftest` (offline, run by `forge-check.sh`) checks that the compact fixture writer round-trips and that
+every stored fixture is exactly what it would write. Everything is Python 3 standard library plus
 `git` and (for recording) Docker. Always run Python as `python3 -I`.
 
 ## Record against real Gitea

crates/forge/conformance/fixtures/1.22.6/A-meta.json

@@ -1,165 +1,11 @@
-{
-  "scenario": "A",
-  "title": "meta",
-  "error": null,
-  "exchanges": [
-    {
-      "kind": "http",
-      "method": "GET",
-      "path": "/api/v1/version",
-      "auth": "admin",
-      "status": 200,
-      "headers": {
-        "content-type": "application/json;charset=utf-8"
-      },
-      "body": {
-        "version": "1.22.6"
-      }
-    },
-    {
-      "kind": "http",
-      "method": "GET",
-      "path": "/api/v1/version",
-      "auth": "none",
-      "status": 403,
-      "headers": {
-        "content-type": "application/json;charset=utf-8"
-      },
-      "body": {
-        "message": "Only signed in user is allowed to call APIs."
-      }
-    },
-    {
-      "kind": "http",
-      "method": "GET",
-      "path": "/api/healthz",
-      "auth": "none",
-      "status": 200,
-      "headers": {
-        "content-type": "application/json"
-      },
-      "body": {
-        "status": "pass",
-        "description": "Gitea: Git with a cup of tea",
-        "checks": {
-          "cache:ping": [
-            {
-              "status": "pass",
-              "time": "<ts>"
-            }
-          ],
-          "database:ping": [
-            {
-              "status": "pass",
-              "time": "<ts>"
-            }
-          ]
-        }
-      }
-    },
-    {
-      "kind": "http",
-      "method": "GET",
-      "path": "/api/v1/user",
-      "auth": "admin",
-      "status": 200,
-      "headers": {
-        "content-type": "application/json;charset=utf-8"
-      },
-      "body": {
-        "id": "<id:id#1>",
-        "login": "<admin>",
-        "login_name": "",
-        "source_id": "<id:source_id#1>",
-        "full_name": "",
-        "email": "admin@example.invalid",
-        "avatar_url": "<base>/avatars/98afc2e6474fc6c67d129b8b3043e959",
-        "html_url": "<base>/<admin>",
-        "language": "",
-        "is_admin": true,
-        "last_login": "<ts>",
-        "created": "<ts>",
-        "restricted": false,
-        "active": true,
-        "prohibit_login": false,
-        "location": "",
-        "website": "",
-        "description": "",
-        "visibility": "public",
-        "followers_count": 0,
-        "following_count": 0,
-        "starred_repos_count": 0,
-        "username": "<admin>"
-      }
-    },
-    {
-      "kind": "http",
-      "method": "GET",
-      "path": "/api/v1/user",
-      "auth": "bad",
-      "status": 401,
-      "headers": {
-        "content-type": "application/json;charset=utf-8"
-      },
-      "body": {
-        "message": "user does not exist [uid: 0, name: ]",
-        "url": "<base>/api/swagger"
-      }
-    },
-    {
-      "kind": "http",
-      "method": "GET",
-      "path": "/api/v1/user",
-      "auth": "none",
-      "status": 403,
-      "headers": {
-        "content-type": "application/json;charset=utf-8"
-      },
-      "body": {
-        "message": "Only signed in user is allowed to call APIs."
-      }
-    },
-    {
-      "kind": "http",
-      "method": "GET",
-      "path": "/api/v1/repos/<admin>/probe",
-      "auth": "none",
-      "status": 403,
-      "headers": {
-        "content-type": "application/json;charset=utf-8"
-      },
-      "body": {
-        "message": "Only signed in user is allowed to call APIs."
-      }
-    },
-    {
-      "kind": "http",
-      "method": "GET",
-      "path": "/api/v1/repos/<admin>/probe",
-      "auth": "bad",
-      "status": 401,
-      "headers": {
-        "content-type": "application/json;charset=utf-8"
-      },
-      "body": {
-        "message": "user does not exist [uid: 0, name: ]",
-        "url": "<base>/api/swagger"
-      }
-    },
-    {
-      "kind": "http",
-      "method": "GET",
-      "path": "/api/v1/repos/<admin>/missing",
-      "auth": "admin",
-      "status": 404,
-      "headers": {
-        "content-type": "application/json;charset=utf-8"
-      },
-      "body": {
-        "errors": null,
-        "message": "The target couldn't be found.",
-        "url": "<base>/api/swagger"
-      }
-    }
-  ]
-}
+{"scenario":"A","title":"meta","error":null,"exchanges":[
+{"kind":"http","method":"GET","path":"/api/v1/version","auth":"admin","status":200,"headers":{"content-type":"application/json;charset=utf-8"},"body":{"version":"1.22.6"}},
+{"kind":"http","method":"GET","path":"/api/v1/version","auth":"none","status":403,"headers":{"content-type":"application/json;charset=utf-8"},"body":{"message":"Only signed in user is allowed to call APIs."}},
+{"kind":"http","method":"GET","path":"/api/healthz","auth":"none","status":200,"headers":{"content-type":"application/json"},"body":{"status":"pass","description":"Gitea: Git with a cup of tea","checks":{"cache:ping":[{"status":"pass","time":"<ts>"}],"database:ping":[{"status":"pass","time":"<ts>"}]}}},
+{"kind":"http","method":"GET","path":"/api/v1/user","auth":"admin","status":200,"headers":{"content-type":"application/json;charset=utf-8"},"body":{"id":"<id:id#1>","login":"<admin>","login_name":"","source_id":"<id:source_id#1>","full_name":"","email":"admin@example.invalid","avatar_url":"<base>/avatars/98afc2e6474fc6c67d129b8b3043e959","html_url":"<base>/<admin>","language":"","is_admin":true,"last_login":"<ts>","created":"<ts>","restricted":false,"active":true,"prohibit_login":false,"location":"","website":"","description":"","visibility":"public","followers_count":0,"following_count":0,"starred_repos_count":0,"username":"<admin>"}},
+{"kind":"http","method":"GET","path":"/api/v1/user","auth":"bad","status":401,"headers":{"content-type":"application/json;charset=utf-8"},"body":{"message":"user does not exist [uid: 0, name: ]","url":"<base>/api/swagger"}},
+{"kind":"http","method":"GET","path":"/api/v1/user","auth":"none","status":403,"headers":{"content-type":"application/json;charset=utf-8"},"body":{"message":"Only signed in user is allowed to call APIs."}},
+{"kind":"http","method":"GET","path":"/api/v1/repos/<admin>/probe","auth":"none","status":403,"headers":{"content-type":"application/json;charset=utf-8"},"body":{"message":"Only signed in user is allowed to call APIs."}},
+{"kind":"http","method":"GET","path":"/api/v1/repos/<admin>/probe","auth":"bad","status":401,"headers":{"content-type":"application/json;charset=utf-8"},"body":{"message":"user does not exist [uid: 0, name: ]","url":"<base>/api/swagger"}},
+{"kind":"http","method":"GET","path":"/api/v1/repos/<admin>/missing","auth":"admin","status":404,"headers":{"content-type":"application/json;charset=utf-8"},"body":{"errors":null,"message":"The target couldn't be found.","url":"<base>/api/swagger"}}
+]}