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packages/hive-mind-hooks-core/src/paths-core.ts

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+/**
+ * Tool-agnostic filesystem path helpers shared by every hook port.
+ *
+ * Mirrors the frozen Wave 1 claude-code `paths.ts` idioms (Windows-safe
+ * backup paths + `--cli-path` quoting) but parameterized so each tool
+ * package can plug in its own config root, pointer name, and hook script
+ * basenames.
+ */
+
+import { fileURLToPath } from 'node:url';
+import { dirname, join, resolve } from 'node:path';
+
+/**
+ * Filesystem-safe backup path for a config file at `configPath`.
+ * Mirrors claude-code paths.ts:86 — replaces `:` and `.` in the ISO
+ * timestamp with `-` so the filename is valid on Windows.
+ */
+export function backupPathFor(configPath: string, isoTimestamp: string): string {
+  const stamp = isoTimestamp.replace(/[:.]/g, '-');
+  return `${configPath}.hive-mind-backup.${stamp}`;
+}
+
+/**
+ * Build the host-tool hook command string for a compiled hook script.
+ * Mirrors claude-code paths.ts:74-84 — quotes paths so spaces in the
+ * user's home dir (Windows: "C:\Users\Marko Markovic\") don't fragment
+ * the command, and routes through `node` so `.js` scripts run
+ * cross-platform without a shell launching an npm `.cmd` bin shim.
+ *
+ * @param scriptPath absolute path to the compiled `dist/hooks/<event>.js`.
+ * @param cliPath    optional install-time-pinned hive-mind-cli path,
+ *                   threaded as `--cli-path "<value>"`.
+ */
+export function hookCommandFor(scriptPath: string, cliPath?: string): string {
+  const cliFlag = cliPath && cliPath.length > 0 ? ` --cli-path "${cliPath}"` : '';
+  return `${hookNodeCommand()} "${scriptPath}"${cliFlag}`;
+}
+
+function hookNodeCommand(): string {
+  const configured = process.env.WAGGLE_HOOK_NODE_PATH?.trim();
+  if (!configured) return 'node';
+  if (configured.includes('"')) throw new Error('WAGGLE_HOOK_NODE_PATH cannot contain double quotes');
+  return `"${configured}"`;
+}
+
+/**
+ * Reject `--cli-path` values containing embedded double-quotes — they
+ * would break the `--cli-path "<value>"` quoting in the generated hook
+ * command. Lifted verbatim from claude-code install.ts:142-154.
+ *
+ * Returns undefined for undefined / empty / whitespace-only input.
+ * Throws on a double-quote so the caller fails loudly at install time.
+ */
+export function normalizeCliPath(input: string | undefined): string | undefined {
+  if (input === undefined) return undefined;
+  const trimmed = input.trim();
+  if (trimmed.length === 0) return undefined;
+  if (trimmed.includes('"')) {
+    throw new Error(
+      `--cli-path value must not contain double-quote characters; got: ${trimmed.slice(0, 80)}`,
+    );
+  }
+  return trimmed;
+}
+
+/**
+ * Resolve a package's compiled `dist/hooks/` directory from the caller's
+ * `import.meta.url`. The compiled install module lives at
+ * `<pkg>/dist/<file>.js`; dirname gives `<pkg>/dist/`, join gives
+ * `<pkg>/dist/hooks/`. Resolved once more so the path is absolute and
+ * platform-normalized.
+ */
+export function hooksDirFromModuleUrl(moduleUrl: string): string {
+  const dir = dirname(fileURLToPath(moduleUrl));
+  return resolve(dir, 'hooks');
+}
+
+/** Absolute path to a compiled hook script `<hooksDir>/<basename>.js`. */
+export function hookScriptPath(hooksDir: string, basename: string): string {
+  return join(hooksDir, `${basename}.js`);
+}