chore: bump version to 10.0.4

Reverts v10.0.3 chroma-mcp spawn storm fix (broken release).
Restores codebase to v10.0.2 state.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/services/infrastructure/ProcessManager.ts

@@ -339,77 +339,6 @@ export async function cleanupOrphanedProcesses(): Promise<void> {
   logger.info('SYSTEM', 'Orphaned processes cleaned up', { count: pidsToKill.length });
 }
 
-/**
- * Clean up excess chroma-mcp processes by count (not age).
- *
- * Unlike cleanupOrphanedProcesses() which uses ORPHAN_MAX_AGE_MINUTES = 30,
- * this function kills by count — essential for catching spawn storms where
- * all processes are young. Keeps the newest processes (by elapsed time)
- * and kills the rest.
- *
- * Returns the number of processes killed.
- */
-export async function cleanupExcessChromaProcesses(maxAllowed: number = 2): Promise<number> {
-  // Windows: Chroma is disabled entirely, no cleanup needed
-  if (process.platform === 'win32') return 0;
-
-  try {
-    const { stdout } = await execAsync(
-      'ps -eo pid,etime,command | grep -E "chroma-mcp" | grep -v grep || true'
-    );
-
-    if (!stdout.trim()) return 0;
-
-    const processes: Array<{ pid: number; ageMinutes: number }> = [];
-
-    for (const line of stdout.trim().split('\n')) {
-      if (!line.trim()) continue;
-      const match = line.trim().match(/^(\d+)\s+(\S+)\s+(.*)$/);
-      if (!match) continue;
-
-      const pid = parseInt(match[1], 10);
-      const etime = match[2];
-
-      if (!Number.isInteger(pid) || pid <= 0 || pid === process.pid) continue;
-
-      const ageMinutes = parseElapsedTime(etime);
-      // Skip entries with unparseable etime (-1) to avoid sort corruption
-      if (ageMinutes < 0) continue;
-      processes.push({ pid, ageMinutes });
-    }
-
-    if (processes.length <= maxAllowed) return 0;
-
-    // Sort: newest first (lowest age), keep maxAllowed, kill rest
-    processes.sort((a, b) => a.ageMinutes - b.ageMinutes);
-    const toKill = processes.slice(maxAllowed);
-
-    let killed = 0;
-    for (const { pid } of toKill) {
-      try {
-        process.kill(pid, 'SIGTERM');
-        killed++;
-        logger.info('SYSTEM', 'Killed excess chroma-mcp process', { pid });
-      } catch {
-        // Process may already be dead
-      }
-    }
-
-    if (killed > 0) {
-      logger.warn('SYSTEM', 'Cleaned up excess chroma-mcp processes by count', {
-        found: processes.length,
-        killed,
-        maxAllowed
-      });
-    }
-
-    return killed;
-  } catch (error) {
-    logger.debug('SYSTEM', 'Failed to enumerate chroma-mcp processes', {}, error as Error);
-    return 0;
-  }
-}
-
 /**
  * Spawn a detached daemon process
  * Returns the child PID or undefined if spawn failed