Module coverage_gate 

L3: zagens coverage-gate — cross-platform Layer-2 completion gate.

Replaces the PowerShell check scripts with a portable Rust implementation.

Exit codes

Code	Meaning
0	All gate checks passed
1	One or more checks failed (unless --no-fail)
2	Configuration error (bad args, missing workspace, etc.)

Checks performed

1. fmt — cargo fmt --check
2. clippy — cargo clippy -- -D warnings
3. compile — cargo test --no-run
4. tests — cargo test (only when --run-tests is set)
5. checklist — all todo items in .zagens/todo.json are completed (only when --require-checklist-complete)
6. craft — last CRAFT task in .zagens/craft-ab-metrics.jsonl has terminal_verdict == "PASS" (when a task_id is provided)

Structs

GateCheck

Result of a single gate check.

GateReport

Full gate report.

Functions

run

Entry point for zagens coverage-gate.

run_gate

Run all gate checks and return the report.