fix(plugins): allow browse on any repo with plugins list

- Always include plugins list in FetchedRepoInfo (needed for browse)
- Remove marketplace type check in browse command (single-plugin repos can still be browsed)

Author: zhujian0805

code_assistant_manager/cli/plugin_commands.py

@@ -507,27 +507,18 @@ def browse_marketplace(
             typer.echo(f"  • {name}")
         raise typer.Exit(1)
 
-    if repo.type != "marketplace":
-        typer.echo(
-            f"{Colors.RED}✗ '{marketplace}' is a plugin, not a marketplace.{Colors.RESET}"
-        )
-        typer.echo(
-            f"\n{Colors.CYAN}To install:{Colors.RESET} cam plugin install {marketplace}"
-        )
-        raise typer.Exit(1)
-
     typer.echo(f"{Colors.CYAN}Fetching plugins from {marketplace}...{Colors.RESET}")
 
     # Fetch marketplace info
     if not repo.repo_owner or not repo.repo_name:
-        typer.echo(f"{Colors.RED}✗ Marketplace missing repo info.{Colors.RESET}")
+        typer.echo(f"{Colors.RED}✗ Repo missing owner/name info.{Colors.RESET}")
         raise typer.Exit(1)
 
     from code_assistant_manager.plugins.fetch import fetch_repo_info
 
     info = fetch_repo_info(repo.repo_owner, repo.repo_name, repo.repo_branch)
     if not info or not info.plugins:
-        typer.echo(f"{Colors.RED}✗ Could not fetch marketplace plugins.{Colors.RESET}")
+        typer.echo(f"{Colors.RED}✗ Could not fetch plugins from repo.{Colors.RESET}")
         raise typer.Exit(1)
 
     # Filter plugins

code_assistant_manager/plugins/fetch.py

@@ -145,7 +145,9 @@ def fetch_repo_info(
     plugins = data.get("plugins", [])
     plugin_count = len(plugins)
 
-    # Determine type based on plugin count
+    # Determine type: if it has a marketplace.json with plugins array, it's a marketplace
+    # Even single-plugin repos can be marketplaces if structured that way
+    # We use plugin_count > 1 as heuristic, but the file structure indicates marketplace
     if plugin_count > 1:
         repo_type = "marketplace"
         plugin_path = None  # Marketplaces don't have a single plugin path
@@ -168,7 +170,7 @@ def fetch_repo_info(
         type=repo_type,
         plugin_path=plugin_path,
         plugin_count=plugin_count,
-        plugins=plugins if repo_type == "marketplace" else None,
+        plugins=plugins,  # Always include plugins list for browse command
         version=version,
         homepage=homepage,
     )