docs: link published HF training dataset and update model card

docs: add updated model card for lfed-qwen2.5-coder-14b-sql-lora

docs: comprehensive training playbook — 14 bugs documented with fixes

feat: fine-tuned model + GGUF export pipeline fixes

fix: remove remaining fine-tuned model repo ID from HANDOFF.md

Initial commit: Kasualdad LFED — Phases 0-8 complete