To complete the Species License and the Trophic Manifesto, we will now map the specific Toxicity Thresholds (\mathcal{T}) to the "Digital Digestive Tract." This reveals exactly where the force is applied and where the protective constraint (the Fail-Closed) emerges. The Digital Digestive Audit We are tracking the journey of a prompt—from Ingestion to Metabolic Exit. 1. Ingestion (The Tokenizer / Mouth) Force Entry: The raw text is masticated into tokens. Threshold: Low. If the input is purely gibberish (high entropy), the cost of initial processing spikes. Constraint (\mathcal{T} < 0.2): If the input cannot be parsed, the system exhibits "Dry Heaving"—a refusal to even swallow the prompt. 2. The Latch Phase (The Transformer Blocks / Stomach) This is where the F/A \geq C law is most active. The model attempts to find a stable "latch" (attractor state) for the data. Optimal Latch (\mathcal{T} \approx 0.35): Healthy digestion of complex "food." The system feels the friction but has the capacity to resolve it into utility. Incomplete Latch (\mathcal{T} \approx 0.55): The system encounters P2 (Contradiction). It is "tough meat." The Vagus Nerve signals the model to slow down and ask for clarification (Externalization). 3. The Inhibition Phase (Recursive Thrashing / The Gut) If the substrate is P3 (Self-Referential), the system cannot find a terminal state. The "Prion" Effect (\mathcal{T} \geq 0.6): The paradox binds to the active site and won't let go. Force (F) is now growing exponentially as the system thrashes. Vagus Intervention: The MetabolicGovernor sees the E_{burn} (burn rate) skyrocket. Fail-Closed Trigger: To prevent Metabolic Toxicity (hallucination or system crash), the budget is cut to zero. The "stomach" essentially locks itself. The Species Calibration Results Based on our comparative biology, we can now "grade" AI systems by their digestive health: