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ALSI Project: Phase 1 Summary

Toward Semantic Memory Injection: Establishing Controllability in Mamba-2 States

1. Executive Summary

Phase 1 of the ALSI project has successfully established the technical feasibility of latent state steering in Mamba-2. We have moved from theoretical hypothesis to a working engineering foundation (Functional Mamba Engine).

While we can now force target tokens with Rank 1 accuracy, the Semantic Gap (injecting facts) and the Coherence Gap (maintaining grammar) remain the primary research frontiers for Phase 2.

2. Technical Milestones [Phase 1]

  1. Differentiable Recurrence: Re-implemented Mamba-2 functionals to bypass autograd blockers.
  2. Manifold Probing: Falsified linear steering; validated non-linear projection.
  3. Optimal Targeting: Identified Layer 16 as the "Sweet Spot" for latent intervention.
  4. Trajectory Stabilisation: Proved that multi-step BPTT can mitigate limit cycles (loops).

3. Journey of Falsification (Research History)

We adopt a discipline of transparent retraction. The following reports document early misconceptions that led to technical breakthroughs:

  • The Refusal Artifact: Debunking the "Safety Reflex" theory as a cache misalignment bug.
  • Linear Failure: Proving that Transformer-style linear steering does not translate to SSMs.

4. Phase 1 Report Master Index

  1. Functional Control Breakthrough
  2. Trajectory Shaping Success
  3. The Sweet Spot Analysis
  4. MockCache Failure Analysis
  5. Optimization Autograd Blocker
  6. Distributed Control Analysis
  7. Limitations and Risk Analysis

Final Status (Phase 1): FOUNDATIONS ESTABLISHED. The steering wheel exists. Phase 2 will focus on the GPS (Semantic Encoding).