feat(cli): add initiative phases command

Add cw initiative phases <initiativeId> to list phases for an initiative.
Displays phase number, name, status, and description.

src/cli/index.ts

@@ -723,6 +723,30 @@ export function createCli(serverHandler?: (port?: number) => Promise<void>): Com
       }
     });
 
+  // cw initiative phases <initiative-id>
+  initiativeCommand
+    .command('phases <initiativeId>')
+    .description('List phases for an initiative')
+    .action(async (initiativeId: string) => {
+      try {
+        const client = createDefaultTrpcClient();
+        const phases = await client.listPhases.query({ initiativeId });
+        if (phases.length === 0) {
+          console.log('No phases found');
+          return;
+        }
+        for (const phase of phases) {
+          console.log(`${phase.number.toString().padStart(2)}. ${phase.name}  [${phase.status}]`);
+          if (phase.description) {
+            console.log(`    ${phase.description}`);
+          }
+        }
+      } catch (error) {
+        console.error('Failed to list phases:', (error as Error).message);
+        process.exit(1);
+      }
+    });
+
   // Architect command group
   const architectCommand = program
     .command('architect')