feat: add WatchMedium field, general review editing, configurable deploy

- WatchMedium enum (cinema/streaming/tv/physical_media/download/media_server/other)
- PATCH /api/v1/reviews/:id partial update (rating, comment, watched_at, watch_medium)
- edit_review use case w/ ownership + remote review guard, best-effort AP Update broadcast
- SPA: icon picker, edit sheet (long-press mobile / pencil desktop), watch medium badge
- shared ReviewFormFields, EditableContextMenu, parse_watched_at/format_watched_at
- deploy.sh parameterized (--features, --tag), CORS allows PATCH
- CONTEXT.md glossary, ADR-0001 general review editing

spa/src/locales/en.json

@@ -307,6 +307,23 @@
     "funActors": "You saw {{count}} different actors",
     "allMovies": "All Movies ({{count}})"
   },
+  "watchMedium": {
+    "label": "Watched via",
+    "cinema": "Cinema",
+    "streaming": "Streaming",
+    "tv": "TV",
+    "physicalMedia": "Physical Media",
+    "download": "Download",
+    "mediaServer": "Media Server",
+    "other": "Other"
+  },
+  "editReview": {
+    "title": "Edit Review",
+    "save": "Save Changes",
+    "saving": "Saving...",
+    "saved": "{{title}} updated!",
+    "noChanges": "No changes to save"
+  },
   "logReview": {
     "title": "Log Review",
     "yourRating": "Your Rating",