Module trust 

State Trust Score — machine-readable rollup of ASD semantic state quality.

Answers: “Can the agent rely on ASD’s output for the current task?”

Signals

Signal	Source	Max deduction
Index freshness	FTS last_indexed_at	−0.30
Symbol count	FTS symbol_count	blocking
Sidecar state	sidecar_lifecycle_state	−0.10
Dirty files	git status --short	−0.05
Ledger density	Engine ledger tree	−0.15
Concept gaps	Ownership without Concept	−0.05

Levels

• high — score ≥ 0.85
• medium — score ≥ 0.65
• low — score ≥ 0.40
• blocked — score < 0.40 or any blocking signal fires

Structs

DataQuality

Distinguishes intentional clean-room state from unexpected data loss.

TrustScore

Rolled-up state trust score for the current ASD workspace.

TrustSignals

Raw signal values gathered before scoring. Exposed for debugging and for truth-drift history snapshots.

Functions

compute_trust_score

Compute a TrustScore for the ASD workspace at db_path.