
FEC - Fusion Engine Controller
FEC transforms validated emotional understanding into ethically aligned response strategies
What is FEC?
The Fusion Engine Controller (FEC) is where MEC’s emotional reasoning becomes action.
It constructs emotionally informed, HEART-compliant prompts by fusing symbolic understanding, cultural context, and ethical strategy into a structured response plan.
FEC doesn’t generate emotion — it engineers response integrity.
It ensures the system acts because it understands, not just because it detects.
Where It Lives in the System
FEC is activated after ERIS finalizes the emotional state into a UESP.
It interprets that packet’s emotional arc, urgency, cultural overlays, and validation codes to build a fused output prompt — ready for LLM generation or scripted system response.
Feeds into:
LLM Response Generator
Recovery Mode (if recovery_flag is active)
Memory Update
Why It Matters
Without FEC, even the best emotional interpretation would remain inert.
FEC is the bridge between understanding and engagement — the moment when empathy becomes usable logic, enforceable care, and responsible expression.
It ensures every response is not just relevant, but ethically sound, culturally attuned, and emotionally safe.
Technical Summary
Input:
UESP
Output:
Fusion Prompt
— a structured, strategy-informed messageCore Functions:
Strategy Code injection (e.g., RSM, INV paths)
Emotional tone calibration
Cultural filter application (CEM/CVM)
Relational modifier attachment (e.g., distance, formality)
Packet Type:
Fusion Prompt
Role in HEART Compliance: Applies output constraints, HEART code alignment, and emotional safety logic
Key Relationships
Receives from:
ERIS
Sends to:
LLM
,Recovery Manager
(conditional)Optional Inputs: Conversation memory, tone engine, cultural profile module