fix(agent,ui,prompt): cut the measured step waste, and stop mislabelling timeouts

style: apply ruff lint --fix + ruff format across the tree

feat(logging): ADR-0013 audit-trace redaction (secret/credential/PII scrubbing)

Lint cleanup: remove unused imports, empty f-strings, split import lines

HF wheel registry, pinned deps, apt probe, security scan, API-key fallback

Make decoupleR method-limitations text deterministic

Remove StateManager class and redundant PlanManager instantiations

Clean up dead code, fix two bugs, remove unused abstractions

Align project layout with HF Spaces and FastMCP conventions