docs(bf-21b5a): verify Forgejo mirror configuration direction

notes/bf-21b5a.md

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+# Mirror Configuration Verification - bf-21b5a
+
+## Date: 2026-07-06
+
+## Mirror Direction: CONFIRMED CORRECT ✓
+- **Type**: Push Mirror (Forgejo → GitHub)
+- **Source**: git.ardenone.com (Forgejo)
+- **Target**: https://github.com/jedarden/pdftract.git
+- **Direction**: Forgejo → GitHub (NOT GitHub → Forgejo)
+
+## Mirror Status: ACTIVE with Errors
+- **Created**: 2026-05-16T19:51:17Z
+- **Last Update Attempt**: 2026-07-06T23:25:15Z (today)
+- **Sync Interval**: 10 minutes
+- **Sync on Commit**: Enabled (automatic sync after each commit)
+- **Last Error**: PushRejected - Large files detected
+
+## Current Blocker
+The mirror is configured correctly but is failing due to GitHub's file size limits:
+- `test_parse_simple` (60.74 MB) - exceeds GitHub's recommended 50 MB limit
+- `--1.ppm` (235.13 MB) - exceeds GitHub's 100 MB hard limit
+
+## Acceptance Criteria Status
+- [x] Mirror direction confirmed as Forgejo→GitHub
+- [x] Current mirror_last_update timestamp recorded: 2026-07-06T23:25:15Z
+- [x] Mirror status is active (sync_on_commit: true, interval: 10m)
+
+## Critical Consideration
+The mirror direction is CORRECT. Safe to proceed with triggering sync, but the large file issue must be resolved for successful sync to GitHub.
+
+## API Response
+```json
+{
+  "repo_name": "pdftract",
+  "remote_name": "remote_mirror_nfF0JdlNzC",
+  "remote_address": "https://github.com/jedarden/pdftract.git",
+  "created": "2026-05-16T19:51:17Z",
+  "last_update": "2026-07-06T23:25:15Z",
+  "interval": "10m0s",
+  "sync_on_commit": true
+}
+```