- Remove rulespec parameter from plan_write tool definition and execution
- Remove rulespec compilation from plan_approve (no longer pre-compiles)
- Remove write_rulespec, get_rulespec_path, format_rulespec_yaml/markdown
from invariants.rs; read_rulespec() now takes &Path working dir
- Remove save/load_compiled_rulespec, get_compiled_rulespec_path from datalog.rs
- Update shadow_datalog_verify() to compile on-the-fly from
analysis/rulespec.yaml, writing rulespec.compiled.dl and
datalog_evaluation.txt to session dir
- Remove rulespec display from plan_read output
- Remove Invariants/Rulespec section from native.md system prompt
- Remove rulespec from prompts.rs plan_write format and examples
- Update existing tests to remove rulespec from plan_write calls
- Add 3 integration tests for on-the-fly rulespec verification