refactor(cli): remove unused imports and variables

Eliminates no-unused-vars warnings across the CLI package by dropping
dead type imports, unused destructured helpers, and simplifying try/catch
blocks whose caught errors and intermediate results were never read.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

packages/cli/src/commands/project.ts

@@ -25,7 +25,7 @@ import {
 import { resolve, isAbsolute, relative, basename } from "node:path";
 import { existsSync, statSync } from "node:fs";
 import { createInterface } from "node:readline/promises";
-import { formatProjectLine, detectProjectFromCwd, setDefaultProject, resolveProject as resolveProjectContext } from "../project-context.js";
+import { detectProjectFromCwd, setDefaultProject } from "../project-context.js";
 import { maybeInstallClaudeSkillForNewProject } from "./claude-skills-runner.js";
 
 const VALID_ISOLATION_MODES: IsolationMode[] = ["in-process", "child-process"];