CRUX M1: REST / CLI parity — 6 missing stories

[noahgift]

Parent: #917

Scope

Close 6 competitor user stories that have no aprender implementation yet, all related to CLI/REST surface parity with HF Hub + Ollama + cargo ecosystems.

Contracts in scope

• contracts/crux-C-04-v1.yaml, crux-C-11-v1.yaml, crux-C-13-v1.yaml (HuggingFace CLI verbs)
• contracts/crux-I-04-v1.yaml (Ollama-style REST endpoint)
• contracts/crux-K-02-v1.yaml, crux-K-11-v1.yaml (packaging)

Exit criteria

• All 6 contracts promoted from missing → supported with passing FALSIFY-* tests
• apr qa --crux reports 6/6 PASS for these IDs
• Master contract crux-competitive-research-ux-v1.yaml updated: supported_count += 6

Dependencies

• Master contract phase_3_missing.M1_rest_parity
• Blocks on: none (can start immediately)
• Blocked by: phase_2_partials ≥ 80 supported (currently met)