colony-agent skeleton: worker, dream, birth, status commands (stubs)

Phase 2 crate scaffolded with clap CLI. All commands are stubs
that exit with "not yet implemented". Ready for implementation.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

crates/colony-agent/src/main.rs

@@ -0,0 +1,49 @@
+use clap::{Parser, Subcommand};
+
+#[derive(Parser)]
+#[command(name = "colony-agent", about = "Ape Colony Agent Runtime — autonomous agent lifecycle")]
+struct Cli {
+    #[command(subcommand)]
+    command: Commands,
+}
+
+#[derive(Subcommand)]
+enum Commands {
+    /// Start the agent worker loop (pulse + react)
+    Worker,
+    /// Run one dream cycle (memory consolidation)
+    Dream,
+    /// Create a new agent on this VM
+    Birth {
+        name: String,
+        #[arg(long)]
+        instruction: String,
+    },
+    /// Show agent status
+    Status,
+}
+
+#[tokio::main]
+async fn main() {
+    let cli = Cli::parse();
+
+    match cli.command {
+        Commands::Worker => {
+            eprintln!("colony-agent: worker not yet implemented");
+            std::process::exit(1);
+        }
+        Commands::Dream => {
+            eprintln!("colony-agent: dream not yet implemented");
+            std::process::exit(1);
+        }
+        Commands::Birth { name, instruction } => {
+            eprintln!("colony-agent: birth '{}' with instruction: {}", name, instruction);
+            eprintln!("not yet implemented");
+            std::process::exit(1);
+        }
+        Commands::Status => {
+            eprintln!("colony-agent: status not yet implemented");
+            std::process::exit(1);
+        }
+    }
+}