feat(cli): restructure run folder and improve terminal UX (#384)

* feat: surface report at run root and nest run internals under .shannon

* feat: use plain-language wording in user-facing terminal messages

* feat(cli): guide users to watch scan progress and surface report path on start

* docs: sync run-folder layout and CLI wording across docs and comments

* feat(cli): add version command reporting package version or git SHA

* feat(cli): detect TTY for interactive prompts, color, and progress output

* docs: document --yes flag, version command, and tty module

* fix(cli): FORCE_COLOR precedence and plain uninstall --yes output

* fix(cli): respect empty NO_COLOR

* fix(cli): let NO_COLOR take precedence over FORCE_COLOR

* docs: mark claude-code-router integration as removed

apps/cli/src/config/resolver.ts

@@ -88,7 +88,9 @@ function loadTOML(): TOMLConfig | null {
     const mode = fs.statSync(configPath).mode;
     if (mode & 0o077) {
       const actual = (mode & 0o777).toString(8).padStart(3, '0');
-      console.error(`\nInsecure permissions (${actual}) on ${configPath}. Run: chmod 600 ${configPath}\n`);
+      console.error(
+        `\nYour config file is readable by other users on this machine (${actual}). Lock it down: chmod 600 ${configPath}\n`,
+      );
       process.exit(1);
     }
   }