debug(cli): add verbose event logging for CI debugging with message content and tool details

- logEventVerbose() logs all event types including message content, tool calls, and results
- Session tags distinguish main vs child sessions for multi-session tracking
- completion.ts error logging instead of silently swallowing API errors
- Helps diagnose realtime streaming behavior in CI environments

🤖 Generated with assistance of OhMyOpenCode (https://github.com/code-yeongyu/oh-my-opencode)

src/cli/run/completion.ts

@@ -12,8 +12,8 @@ export async function checkCompletionConditions(ctx: RunContext): Promise<boolea
     }
 
     return true
-  } catch {
-    // API errors are transient - silently continue polling
+  } catch (err) {
+    console.error(pc.red(`[completion] API error: ${err}`))
     return false
   }
 }