BRIEFING — 2026-09-05T10:30:48Z

Mission

Investigate system architecture, workspace structure, Python environment, PyInstaller packaging constraints, SQLite persistence, and build automation to formulate concrete recommendations for the standalone Windows .exe HAD Digital MVP.

🔒 My Identity

• Archetype: explorer

• Roles: explorer_survey_2

• Working directory: c:\AI Projects\Kais Project\.agents\explorer_survey_2

• Original parent: 8c700e5d-87a4-4452-ab59-6fc2e8946b0d

• Milestone: MVP Architecture & Packaging Survey

🔒 Key Constraints

• Read-only investigation — do NOT implement production source code

• Files for content delivery (reports, handoffs), messages for coordination

• Handoff report strictly follows 5 components: Observation, Logic Chain, Caveats, Conclusion, Verification Method

• Standalone Windows .exe requirement with zero host dependencies

• Embedded SQLite persistence separate from ephemeral _MEIPASS bundle

Current Parent

• Conversation ID: 8c700e5d-87a4-4452-ab59-6fc2e8946b0d

• Updated: 2026-09-05T10:38:00Z

Investigation State

• Explored paths: ORIGINAL_REQUEST.md, DISPATCH.md, MVP/, 01_System/, 03_Architecture/, 04_Build/, 05_Test/, 00_Governance framework/, MVP_PLAN.md, MVP_EXECUTION_PLAN.md

• Key findings:
1. Complete pure-Python prototype exists in MVP/ using http.server.BaseHTTPRequestHandler and SQLite WAL.
1. Fatal PyInstaller _MEIPASS data-loss risk identified: config_manager.py places SQLite database inside ephemeral temp directory unless decoupled into persistent storage.
1. UI login defect found in static/app.js line 81: checks data.ok while app.py returns {"message": "Login successful", "user": ...}, displaying "Login failed" on valid logins.
1. Demo credentials in app.js do not match seed_demo.py accounts.
1. Report submission payload structure mismatch between app.js (multi-symptom dict) and app.py (single symptom fields).
1. PyInstaller spec was --onedir, not single-file --onefile.

• Unexplored areas: None. Complete survey achieved.

Key Decisions Made

• Recommended Python standard library ThreadingHTTPServer over Flask: zero host dependencies, zero virtualenv overhead, native PyInstaller bundling.

• Designed decoupled storage: get_bundle_dir() for read-only static assets, get_data_dir() for persistent SQLite database.

• Implemented and verified standalone verification suite (proposed_verify.py): 8/8 tests passed.

• Implemented build automation script (proposed_build.py) and PyInstaller onefile spec (proposed_HAD_Digital_onefile.spec).

• Produced comprehensive handoff report (handoff.md) and unified patch (proposed_patches.patch).

Artifact Index

• c:\AI Projects\Kais Project\.agents\explorer_survey_2\DISPATCH.md — Received dispatch instructions

• c:\AI Projects\Kais Project\.agents\explorer_survey_2\BRIEFING.md — Agent briefing & working memory

• c:\AI Projects\Kais Project\.agents\explorer_survey_2\progress.md — Liveness & progress tracking

• c:\AI Projects\Kais Project\.agents\explorer_survey_2\handoff.md — Final comprehensive handoff report

• c:\AI Projects\Kais Project\.agents\explorer_survey_2\proposed_build.py — Build automation script

• c:\AI Projects\Kais Project\.agents\explorer_survey_2\proposed_verify.py — Programmatic verification test runner

• c:\AI Projects\Kais Project\.agents\explorer_survey_2\proposed_HAD_Digital_onefile.spec — PyInstaller single-file spec

• c:\AI Projects\Kais Project\.agents\explorer_survey_2\proposed_patches.patch — Unified diff patch