Weekly Report — 2026-W37 (2026-09-07 ~ 2026-09-13)

A high-intensity week focused on deep architectural overhauls, transitioning from experimental research to production-ready systems. Key achievements include the successful rewrite of the LifeCopilot engine, a major security refactor of the AI Companion guard system to enable developer workflows, large-scale data migrations on HPC clusters, and significant progress in RL-based tile-matching decision policies and VLM memory tasks.

Weekly Overview

Metric	Value
Date Range	2026-09-07 ~ 2026-09-13
Active Days	7 / 7
Total Conversations	36
Projects	27
Tasks Completed	51
Tasks In Progress	20
Total Tokens	1,573,799,660
Total Cost	$1,570.74
Claude Code Token	1,536,339,525
Claude Code Cost	$1,507.99
Codex Token	37,460,135
Codex Cost	$62.75
Daily Average Cost	$224.39

Project Progress

AI Companion Engine & Security (7 days active) — 🔄 active

Accomplishments:

Migrated to a bundled, repo-specific architecture
Implemented secure hierarchical enforcement and engine-side approval pathways
Refactored security guard to allow scp/python while hardening ledger path protection via substring scanning
Added git-sync serving capabilities

Blockers:

⚠️ Repository-specific ‘companion guard’ in fail-closed mode requires manual IDE intervention

LifeCopilotBeta (4 days active) — 🔄 active

Accomplishments:

Completed full engine rewrite (core + adapters model)
Implemented multi-channel sync (Plane, Google Calendar, Discord)
Developed web portal and FastAPI integration

Blockers:

⚠️ Need to formalize multi-repo management portal architectural details

RoboMME & VLM Evaluation (4 days active) — 🔄 active

Accomplishments:

Developed ‘Quad-Writer’ hierarchy for task classification
Established reverse-tunnel pipeline for remote cluster evaluation
Validated Gemini 3.1 Pro performance on trajectory writing

Blockers:

⚠️ Connection stability between jump-hosts and local VPN

Reinforcement Learning (Tile-Matching) (3 days active) — 🔄 active

Accomplishments:

Upgraded decision policy to simulation-based planning (98% success)
Reconstructed Actor network using Deep Sets for permutation invariance
Implemented PPO with entropy annealing and logit shrinking

Blockers:

⚠️ Structural bottlenecks in ‘ultra-hard’ levels preventing policy breakthrough

HPC Data & Infrastructure (3 days active) — ✅ completed

Accomplishments:

Migrated 2.3TB of research data using 8-way parallel rsync
Unified remote paths and updated all environment shebangs/paths on XYFS02

PhD Application & Personal Branding (2 days active) — 🔄 active

Accomplishments:

Completed full visual rebranding of personal website
Audited 146 robotics faculty and 44 university profiles
Generated initial SOP drafts and strategic roadmap

Key Tasks

✅ LifeCopilotBeta Rewrite — Complete rewrite of the core engine, data models, and web portal using a lean adapters model.
✅ AI Companion Engine Migration — Migrated projects from shared absolute-path engines to bundled, repo-specific architectures.
✅ PhD Application Strategy & SOP Audit — Comprehensive audit of faculty profiles and customized SOP paragraph generation.
✅ Data Migration (XYFS01 to XYFS02) — Successful migration of 2.3TB of RoboMemory and benchmark datasets.
✅ I-144: Interpreter wall removal and scp unblocking — Security refactor to enable developers to use standard tools while maintaining ledger protection.
🔄 MIHD Manuscript Preparation — Synthesizing experimental data into a formal paper structure.
✅ Establish Reverse Tunnel for Gemini — Setup remote cluster access to Duke LiteLLM proxy via local VPN.

Problems & Solutions

1. 4-bit activation conversion (W4A4) failing in the closed-source quantizer. [VLA Quantization Research]

Solution: Conducted boundary probes; confirmed successful compilation often masks a silent fallback to float.

2. AI Companion/Security guard was silently failing due to non-existent absolute paths. [AI Companion Engine]

Solution: Migrated to a bundled architecture using relative paths within the .companion directory.

3. Decision instability in RL due to pattern ID dependency and one-hot encoding. [Tile-Matching RL]

Solution: Switched to a Deep Sets-inspired architecture using numerical features and symmetric relation matrices.

4. VLM inaccuracy in distinguishing between arm motion and scene changes. [RoboMME/VLM]

Solution: Introduced the ‘Quad-Writer’ hierarchy to classify task context prior to visual grounding.

5. Inefficient migration of 477k small pkl files via single-stream rsync. [Infrastructure]

Solution: Implemented an 8-way parallel rsync strategy by splitting files by name prefixes.

6. Security bypass by passing paths as quoted substrings after interpreter wall removal. [AI Companion Security]

Solution: Implemented a third scanning pass using ‘mentionedLedger’ to detect sensitive paths as substrings.

Learnings

Architecture (architecture)

Security barriers that rely on ’layering’ can create false security; removing one layer can reveal that subsequent layers were only effective because of the first.
In unordered sets (like game tiles), symmetric aggregation (Deep Sets) is superior to one-hot encoding as it removes arbitrary ID dependency.

Debugging (debugging)

Low FPS combined with low resource usage often points to thread synchronization or display buffer blocking (glfwSwapBuffers) rather than hardware capacity.

Domain Knowledge (domain)

VLA quantization complexity is heavily dictated by the gap between GPU-level quantization and NPU-specific compilation rules.
For high-stakes writing (SoP), the ‘generic core’ must be robust enough to bridge multiple distinct ‘customized hooks’ to prevent logical drift.

Tools (tools)

When migrating large-scale datasets on HPC clusters, using a parallel rsync script is critical to avoid single-stream bottlenecks.

AI Usage Notes

Effective Patterns:

✓ Using multi-agent workflows for large-scale data audits
✓ Applying ‘red-waiver’ workflows to manage implementation/test sequencing deadlocks
✓ Utilizing parallel rsync strategies for high-speed data transfer

Limitations:

✗ Inability to diagnose ‘fail-closed’ security hooks without manual user intervention in the IDE
✗ Struggling with precise browser interactions (Overleaf) due to window focus/context issues
✗ Failure to recognize that removing one security layer necessitates redesigning others

Next Week Outlook

Priorities for next week include: 1. Finalizing the MIHD manuscript and decision on CVPR 2027 submission; 2. Completing the 50-episode VLM validation (Gemini/Qwen); 3. Developing the multi-repo management terminal; 4. Addressing the structural bottlenecks in the ‘ultra-hard’ RL levels; and 5. Continuing PhD application preparation including mentor consultations.

Token Usage Statistics

Peak Day: 2026-09-12 — $574.19 / 631.1M tokens

Daily Average: $224.39

🤖 This entry was generated by AI from conversation logs and may contain errors.

Weekly Report — 2026-W37 (2026-09-07 ~ 2026-09-13)#

Weekly Overview#

Project Progress#

AI Companion Engine & Security (7 days active) — 🔄 active#

LifeCopilotBeta (4 days active) — 🔄 active#

RoboMME & VLM Evaluation (4 days active) — 🔄 active#

Reinforcement Learning (Tile-Matching) (3 days active) — 🔄 active#

HPC Data & Infrastructure (3 days active) — ✅ completed#

PhD Application & Personal Branding (2 days active) — 🔄 active#

Key Tasks#

Problems & Solutions#

1. 4-bit activation conversion (W4A4) failing in the closed-source quantizer. [VLA Quantization Research]#

2. AI Companion/Security guard was silently failing due to non-existent absolute paths. [AI Companion Engine]#

3. Decision instability in RL due to pattern ID dependency and one-hot encoding. [Tile-Matching RL]#

4. VLM inaccuracy in distinguishing between arm motion and scene changes. [RoboMME/VLM]#

5. Inefficient migration of 477k small pkl files via single-stream rsync. [Infrastructure]#

6. Security bypass by passing paths as quoted substrings after interpreter wall removal. [AI Companion Security]#

Learnings#

Architecture (architecture)#

Debugging (debugging)#

Domain Knowledge (domain)#

Tools (tools)#

AI Usage Notes#

Next Week Outlook#

Token Usage Statistics#

Weekly Report — 2026-W37 (2026-09-07 ~ 2026-09-13)

Weekly Overview

Project Progress

AI Companion Engine & Security (7 days active) — 🔄 active

LifeCopilotBeta (4 days active) — 🔄 active

RoboMME & VLM Evaluation (4 days active) — 🔄 active

Reinforcement Learning (Tile-Matching) (3 days active) — 🔄 active

HPC Data & Infrastructure (3 days active) — ✅ completed

PhD Application & Personal Branding (2 days active) — 🔄 active

Key Tasks

Problems & Solutions

1. 4-bit activation conversion (W4A4) failing in the closed-source quantizer. [VLA Quantization Research]

2. AI Companion/Security guard was silently failing due to non-existent absolute paths. [AI Companion Engine]

3. Decision instability in RL due to pattern ID dependency and one-hot encoding. [Tile-Matching RL]

4. VLM inaccuracy in distinguishing between arm motion and scene changes. [RoboMME/VLM]

5. Inefficient migration of 477k small pkl files via single-stream rsync. [Infrastructure]

6. Security bypass by passing paths as quoted substrings after interpreter wall removal. [AI Companion Security]

Learnings

Architecture (architecture)

Debugging (debugging)

Domain Knowledge (domain)

Tools (tools)

AI Usage Notes

Next Week Outlook

Token Usage Statistics