feat(cli): add initiative commands (create, list, get)

Add CLI commands for initiative management:
- cw initiative create <name> - create with optional description
- cw initiative list - list all with optional status filter
- cw initiative get <id> - get details by ID

src/cli/index.ts

@@ -642,6 +642,87 @@ export function createCli(serverHandler?: (port?: number) => Promise<void>): Com
       }
     });
 
+  // Initiative command group
+  const initiativeCommand = program
+    .command('initiative')
+    .description('Manage initiatives');
+
+  // cw initiative create <name>
+  initiativeCommand
+    .command('create <name>')
+    .description('Create a new initiative')
+    .option('-d, --description <description>', 'Initiative description')
+    .action(async (name: string, options: { description?: string }) => {
+      try {
+        const client = createDefaultTrpcClient();
+        const initiative = await client.createInitiative.mutate({
+          name,
+          description: options.description,
+        });
+        console.log(`Created initiative: ${initiative.id}`);
+        console.log(`  Name: ${initiative.name}`);
+        if (initiative.description) {
+          console.log(`  Description: ${initiative.description}`);
+        }
+      } catch (error) {
+        console.error('Failed to create initiative:', (error as Error).message);
+        process.exit(1);
+      }
+    });
+
+  // cw initiative list
+  initiativeCommand
+    .command('list')
+    .description('List all initiatives')
+    .option('-s, --status <status>', 'Filter by status (active, completed, archived)')
+    .action(async (options: { status?: string }) => {
+      // Validate status if provided
+      const validStatuses = ['active', 'completed', 'archived'];
+      if (options.status && !validStatuses.includes(options.status)) {
+        console.error(`Invalid status: ${options.status}`);
+        console.error(`Valid statuses: ${validStatuses.join(', ')}`);
+        process.exit(1);
+      }
+
+      try {
+        const client = createDefaultTrpcClient();
+        const initiatives = await client.listInitiatives.query(
+          options.status ? { status: options.status as 'active' | 'completed' | 'archived' } : undefined
+        );
+        if (initiatives.length === 0) {
+          console.log('No initiatives found');
+          return;
+        }
+        for (const init of initiatives) {
+          console.log(`${init.id}  ${init.status.padEnd(10)}  ${init.name}`);
+        }
+      } catch (error) {
+        console.error('Failed to list initiatives:', (error as Error).message);
+        process.exit(1);
+      }
+    });
+
+  // cw initiative get <id>
+  initiativeCommand
+    .command('get <id>')
+    .description('Get initiative details')
+    .action(async (id: string) => {
+      try {
+        const client = createDefaultTrpcClient();
+        const initiative = await client.getInitiative.query({ id });
+        console.log(`ID: ${initiative.id}`);
+        console.log(`Name: ${initiative.name}`);
+        console.log(`Status: ${initiative.status}`);
+        if (initiative.description) {
+          console.log(`Description: ${initiative.description}`);
+        }
+        console.log(`Created: ${new Date(initiative.createdAt).toISOString()}`);
+      } catch (error) {
+        console.error('Failed to get initiative:', (error as Error).message);
+        process.exit(1);
+      }
+    });
+
   return program;
 }