process: keep the original run.log when a re-run renders nothing; dispatch input to override the voice URL (testing); drop netcheck

.gitea/workflows/audiobook.yml

@@ -12,6 +12,10 @@ on:
         description: 'PDF path inside the repo (empty = every PDF waiting in _incoming/)'
         required: false
         default: 'books/clark-glenn/the-man-who-tapped-the-secrets-of-the-universe/The Man Who Tapped the Secrets of the Universe - by Glenn Clark (Walter Russell).pdf'
+      voice_endpoint:
+        description: 'Testing only: use this voice URL instead of the default (for example to prove a failed voice run commits nothing)'
+        required: false
+        default: ''
       dry_run:
         description: 'true = text stages only, voice reachability check, push-permission test, commit nothing'
         type: boolean
@@ -31,7 +35,7 @@ jobs:
     # The commit-back commit carries [skip ci] and removes the PDF from _incoming/, so it cannot start another run.
     if: ${{ !contains(github.event.head_commit.message, '[skip ci]') }}
     env:
-      AUDIOBOOK_VOICE_ENDPOINT: ${{ vars.AUDIOBOOK_VOICE_ENDPOINT || 'http://192.168.1.202:8090/tts' }}
+      AUDIOBOOK_VOICE_ENDPOINT: ${{ (github.event_name == 'workflow_dispatch' && inputs.voice_endpoint) || vars.AUDIOBOOK_VOICE_ENDPOINT || 'http://192.168.1.202:8090/tts' }}
       AUDIOBOOK_WORK_DIR: /tmp/audiobook-work
       AUDIOBOOK_REQUIRE_OCR: '1'
       BRANCH: ${{ github.ref_name }}