Add plugin update and install reporting

src/plugin_helper/planner.py

@@ -9,7 +9,7 @@ from zipfile import ZipFile
 
 from .fsutil import ensure_relative, sha256_bytes, sha256_file
 from .models import Lockfile, Registry, VALID_STRATEGIES
-from .state import downloads_dir, plans_dir
+from .state import downloads_dir, plans_dir, plugin_downloads_dir
 
 
 ALLOWED_BSIPA_TOP_LEVEL = {"IPA", "Libs", "Plugins"}
@@ -19,13 +19,15 @@ def _now_slug() -> str:
     return datetime.now(timezone.utc).strftime("%Y%m%dT%H%M%SZ")
 
 
-def _find_asset(asset: str, state_root: Path, instance: str, repo_root: Path) -> Path | None:
+def _find_asset(asset: str, state_root: Path, instance: str, repo_root: Path, plugin_id: str | None = None) -> Path | None:
     candidates = [
         Path(asset).expanduser(),
-        downloads_dir(state_root, instance) / asset,
         repo_root / "assets" / asset,
         repo_root / "locks" / "assets" / asset,
     ]
+    if plugin_id:
+        candidates.insert(1, plugin_downloads_dir(state_root, instance, plugin_id) / asset)
+    candidates.insert(2 if plugin_id else 1, downloads_dir(state_root, instance) / asset)
     for candidate in candidates:
         if candidate.exists() and candidate.is_file():
             return candidate
@@ -91,10 +93,11 @@ def create_plan(
         if registry_plugin and not _asset_matches_patterns(Path(locked.asset).name, registry_plugin.asset_patterns):
             warnings.append(f"{locked.id}: asset does not match registry patterns")
 
-        asset_path = _find_asset(locked.asset, state_root, instance, repo_root)
+        asset_path = _find_asset(locked.asset, state_root, instance, repo_root, locked.id)
         if not asset_path:
             raise FileNotFoundError(
-                f"{locked.id}: asset not found: {locked.asset}; put it in {downloads_dir(state_root, instance)}"
+                f"{locked.id}: asset not found: {locked.asset}; put it in "
+                f"{plugin_downloads_dir(state_root, instance, locked.id)}"
             )
         asset_sha = sha256_file(asset_path)
         if locked.sha256 and locked.sha256 != asset_sha: