fix: move P2P discussion files to ~/.imcodes/discussions/ for persistence

/tmp is cleared on reboot. Discussion context files now stored under
~/.imcodes/discussions/ so history is preserved across daemon restarts.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: IM.codes

src/daemon/p2p-orchestrator.ts

@@ -66,7 +66,8 @@ export function listP2pRuns(): P2pRun[] { return [...activeRuns.values()]; }
 
 // ── Constants ─────────────────────────────────────────────────────────────
 
-const P2P_TMP_DIR = '/tmp/imcodes-p2p';
+import { homedir } from 'node:os';
+const P2P_DIR = join(homedir(), '.imcodes', 'discussions');
 let IDLE_POLL_MS = 3_000;
 
 /** Override poll interval for tests. */
@@ -142,8 +143,8 @@ export async function startP2pRun(
   const now = new Date().toISOString();
 
   // Create temp context file
-  await mkdir(P2P_TMP_DIR, { recursive: true });
-  const contextFilePath = join(P2P_TMP_DIR, `${runId}.md`);
+  await mkdir(P2P_DIR, { recursive: true });
+  const contextFilePath = join(P2P_DIR, `${runId}.md`);
 
   let seed = `# P2P Discussion: ${runId}\n\n`;
   seed += `## User Request\n\n${userText}\n\n`;

test/daemon/p2p-orchestrator.test.ts

@@ -131,7 +131,7 @@ beforeEach(() => {
   // then firing an idle hook after a short delay
   sendKeysDelayedEnterMock.mockImplementation(async (session: string, prompt: string) => {
     // Extract the context file path from the prompt and append a section
-    const pathMatch = prompt.match(/\/tmp\/imcodes-p2p\/[^\s]+\.md/);
+    const pathMatch = prompt.match(/\/[^\s]*\.imcodes\/discussions\/[^\s]+\.md/);
     if (pathMatch) {
       const { appendFile } = await import('node:fs/promises');
       await appendFile(pathMatch[0], `\n## Output from ${session}\n\nSome analysis.\n`);
@@ -148,7 +148,9 @@ afterEach(async () => {
   _setIdlePollMs(3_000); // restore default
   // Clean up temp files
   const { rm } = await import('node:fs/promises');
-  await rm('/tmp/imcodes-p2p', { recursive: true, force: true }).catch(() => {});
+  const { homedir } = await import('node:os');
+  const { join } = await import('node:path');
+  await rm(join(homedir(), '.imcodes', 'discussions'), { recursive: true, force: true }).catch(() => {});
 });
 
 // =============================================================================
@@ -771,7 +773,7 @@ describe('Group 12: Completion Detection', () => {
     detectStatusMock.mockReturnValue('thinking');
 
     sendKeysDelayedEnterMock.mockImplementation(async (_session: string, prompt: string) => {
-      const pathMatch = prompt.match(/\/tmp\/imcodes-p2p\/[^\s]+\.md/);
+      const pathMatch = prompt.match(/\/[^\s]*\.imcodes\/discussions\/[^\s]+\.md/);
       if (pathMatch) {
         const { appendFile } = await import('node:fs/promises');
         await appendFile(pathMatch[0], '\n## Growing\nContent.\n');