refactor: rebrand compose, env and docs to BookmarkManager

docker-compose.yml

@@ -1,16 +1,16 @@
 # Base stack — works standalone for local smoke testing (`docker compose up`).
 # The service binds 127.0.0.1:8080; a host reverse proxy (nginx/Caddy/Traefik)
-# terminates TLS for manga-api.<domain> and forwards to it.
+# terminates TLS for bookmark-api.<domain> and forwards to it.
 #
 # If your proxy runs in Docker on its own network, use the prod override which
 # attaches to that network instead of publishing a port:
 #   docker compose -f docker-compose.yml -f docker-compose.prod.yml up -d
 
 services:
-  manga-api:
+  bookmark-api:
     build: ./backend
-    image: mangabm-backend:latest
-    container_name: manga-api
+    image: bookmarkmanager-backend:latest
+    container_name: bookmark-api
     restart: unless-stopped
     environment:
       # API_TOKEN is required — compose refuses to start without it.
@@ -63,7 +63,7 @@ services:
     # container's lifetime.
     init: true
     # Deliberately no `ports:` — an exposed CDP endpoint is remote code
-    # execution. Only manga-api, via the `browser` network below, may reach it.
+    # execution. Only bookmark-api, via the `browser` network below, may reach it.
     # Don't pass --remote-debugging-address/--remote-debugging-port here: the
     # image's own entrypoint (/headless-shell/run.sh) already starts Chrome on
     # 127.0.0.1:9223 and fronts it with a socat proxy listening on 0.0.0.0:9222.
@@ -86,7 +86,7 @@ volumes:
 
 networks:
   # Not `internal: true`: headless Chrome still needs outbound access to reach
-  # kagane.to. Isolation here comes from membership (only manga-api and
+  # kagane.to. Isolation here comes from membership (only bookmark-api and
   # headless-shell join it), not from cutting egress.
   browser:
     ipam: