🐛 Bugfix: How to fix Bug 13 (0 code files written because executeOutpu...

Date: 2026-02-24
Time: 15:07:46 UTC
Session: gspace1-138.11
Agent: angular
Confidence: 95%
Status: ✅ Documented

📋 Decision Context

Question:

How to fix Bug 13 (0 code files written because executeOutput.files is undefined) and Bug 14 (backend memory exhaustion crashes)?

Task: S139 fix deterministic code gen + memory cleanup

🎯 Decision Made

Chosen:

Added generateScaffoldFiles() that produces real .ts files deterministically from the visual module data (entities, actions, embeddables) without any LLM call. Also added memory cleanup: session.result stores only lightweight summaries (not full phase outputs), phase.output is nulled after checkpointing, and logMemory() tracks RSS/heap at completion.

Options Considered:

1. Switch outputMode back to BOTH and increase LLM timeout
2. Generate scaffold code files deterministically from visual module specs (no LLM)
3. Skip code file generation entirely

💭 Reasoning

Bug 13 root cause chain: (1) I switched default outputMode to VISUAL to avoid code gen timeouts. (2) VISUAL mode never calls generateCode(). (3) executeOutput.files is undefined. (4) The writeGeneratedFilesToDisk condition is false. (5) 0 files written. The fundamental problem is that LLM code generation consistently times out (~90s) because generating a full Angular module requires 16k+ tokens and 2-3 min of LLM processing. Instead of fighting the LLM timeout, I added deterministic scaffold generation: the DEPLOY phase reads the visual module specs (entities with typed fields, actions with names/types, embeddables) and generates TypeScript model interfaces, service stubs, and barrel exports. This is instant (milliseconds), reliable (no LLM), and produces real importable .ts files. For Bug 14: the session object accumulates ALL phase outputs (enhance result, analyze result with full entity specs, decompose result, plan result, execute result with module objects, integrate result). After completion and checkpointing, these are replaced with lightweight summaries (just counts and key fields), freeing the memory. The progressive crash pattern (Test 3 crashed earlier than Test 1) confirms memory leak across runs.

📁 Files Involved

• apis/backend-vitto-api/src/app/module-generation/phases/module-gen-phase.executor.ts

🔗 Related

• Decision ID: dev_1771945666534_p22bd5y
• Session: 138
• Workspace: gspace1

Auto-generated by MCP Smart Consolidation