feat: add mod editing, revision merges and secure game storage

Add immutable revisions, PGVN editor, asset replacement, merge and rebase workflows, authenticated media delivery and reachability GC. Harden the script interpreter, pin unrpyc and remove tracked build metadata. Include current compatibility checks, Naninovel import and regression tests.

backend/app/converter/analyze.py

@@ -15,6 +15,8 @@ from collections import Counter
 from pathlib import Path
 
 from app.converter import assets, locales
+from app.converter.compatibility import Issue, audit_ir
+from dataclasses import asdict
 from app.converter.archive import ArchiveError, find_game_dir
 from app.converter.pipeline import _auto_images, _is_engine_file, _resolve_image, anchors
 from app.converter.rpa import RpaError, extract_rpa, read_index
@@ -81,6 +83,7 @@ def analyze(src: Path, dump: Path | None = None) -> dict:
                 data.warn("Слишком глубокая вложенность", rel)
 
         by_line = locales.assign_ids(data.modules)
+        audit_ir(data)
         translations = locales.import_tl(work, data.modules, by_line, data.warn)
         says = len(by_line) or 1
         language = data.config.get("language")
@@ -100,6 +103,10 @@ def analyze(src: Path, dump: Path | None = None) -> dict:
         _collect_targets(data.modules, targets)
         media = Counter(assets.kind_of(Path(v)) for v in files.values() if assets.kind_of(Path(v)))
         return {
+            "issues": [asdict(Issue("unsupported_script", msg,
+                          data.warning_examples.get(msg, ""), count))
+                       for msg, count in data.blockers.items()] +
+                      [asdict(Issue("archive_error", msg)) for msg in rpa_errors],
             "game": src.name,
             "renpy": renpy_version(src),
             "seconds": round(time.monotonic() - started, 1),