docs: volition, planning, agency and cognitive research

New documents define goal, want, intention, commitment, plan, action,
capability, authority, agency and introspection operationally, state
prominently that no operational measure establishes phenomenal
consciousness or sentience, and describe the rules, thresholds, events,
inspection points and limits of each subsystem:

- docs/volition.md: want derivation, reinforcement, decay and suppression,
  conflicts, formation and its outcomes, the intention–action gap,
  reconsideration, commitments and volition metacognition;
- docs/planning.md: plans and step kinds, validation, strategies, the
  executor, observe–act–verify, replanning, budgets, operator attention,
  long-running work, restarts and duplicates;
- docs/agency.md: the fifteen authority invariants and their tests,
  scoped authority, forensic why, attribution and the agency timeline;
- docs/cognitive-research.md: operational definitions separating
  implementation property from philosophical interpretation, experiment
  protocols (global workspace, ablation, self-model, counterfactual, model
  comparison, conflict), every measure, introspection accuracy,
  metacognitive calibration and temporal self-continuity.

Updated: interpretation table, capabilities (metadata, typed operations,
scoped grants, requests), cognition, snapshots (fork authority), security
and threat model (T14, T16, new T27–T29), architecture, README, changelog,
release notes, ADR-0012 and ADR-0013, and PLAN.md §8.10 status. The
unimplemented record_procedure internal step is removed from the
vocabulary; procedural memory is recorded when a plan completes.

internal/planning/types.go

@@ -142,13 +142,12 @@ type WaitSpec struct {
 
 // InternalSpec is a deterministic internal step.
 type InternalSpec struct {
-	Action string `json:"action"` // summarise_findings | record_procedure
+	Action string `json:"action"` // summarise_findings (procedural memory is recorded automatically when a plan completes)
 }
 
 // InternalActions is the closed vocabulary of internal steps.
 var InternalActions = map[string]string{
 	"summarise_findings": "collect the observations of the steps it depends on into one record for belief formation",
-	"record_procedure":   "record the steps that achieved the outcome as a procedural memory",
 }
 
 // StepSpec is one step of a draft.