refactor: install from manifest and add dependency options

src/cli.rs

@@ -17,11 +17,11 @@ pub struct Cli {
 
 #[derive(Subcommand)]
 pub enum Command {
-    /// Install agent files from a manifest or remote git repository
+    /// Install agent files from dependencies in agentfiles.json, or add a new source
     Install {
-        /// Source: local path, directory, or git URL (e.g., github.com/org/repo@v1.0)
-        #[arg(default_value = ".")]
-        source: String,
+        /// Source: local path or git URL (e.g., github.com/org/repo@v1.0).
+        /// If omitted, installs all dependencies from agentfiles.json.
+        source: Option<String>,
 
         /// Installation scope: project or global
         #[arg(short, long, default_value = "project")]
@@ -32,10 +32,23 @@ pub enum Command {
         #[arg(short, long, value_delimiter = ',')]
         providers: Option<Vec<AgentProvider>>,
 
-        /// File placement strategy: copy or link (symlink). Can be overridden per-file in the manifest.
+        /// File placement strategy: copy or link (symlink). Can be overridden per-dependency in the manifest.
         #[arg(long)]
         strategy: Option<FileStrategy>,
 
+        /// Cherry-pick specific items by name (comma-separated).
+        /// Supports kind prefix: skills/review, commands/deploy, or plain: review
+        #[arg(long, value_delimiter = ',')]
+        pick: Option<Vec<String>>,
+
+        /// Do not save the source to agentfiles.json after installing
+        #[arg(long)]
+        no_save: bool,
+
+        /// Preview what would be installed without making changes
+        #[arg(long)]
+        dry_run: bool,
+
         /// Project root directory (for project scope installations)
         #[arg(long, default_value = ".")]
         root: PathBuf,
@@ -59,6 +72,35 @@ pub enum Command {
         source: String,
     },
 
+    /// Remove a dependency from agentfiles.json
+    Remove {
+        /// Source to remove (matches by normalized URL)
+        source: String,
+
+        /// Also delete installed files from provider directories
+        #[arg(long)]
+        clean: bool,
+
+        /// Installation scope used when installing (for --clean)
+        #[arg(short, long, default_value = "project")]
+        scope: FileScope,
+
+        /// Target providers to clean (for --clean). Defaults to all.
+        #[arg(short, long, value_delimiter = ',')]
+        providers: Option<Vec<AgentProvider>>,
+
+        /// Project root directory
+        #[arg(long, default_value = ".")]
+        root: PathBuf,
+    },
+
+    /// List dependencies from agentfiles.json
+    List {
+        /// Project root directory
+        #[arg(default_value = ".")]
+        root: PathBuf,
+    },
+
     /// Show the provider compatibility matrix
     Matrix,
 }