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qwreey f20922ce39
decide(bind-system): retract fires on every re-dispatch, not just type changes 
Corrects a foundational error: "handler type unchanged -> retract skipped,
process diffs" was never actually true. StoreBind unconditionally calls
Dispatch.retractUnder before every re-dispatch (already stated in the
original dispatch model doc) -- Tag's old assert(v==nil) was taken at
face value and the general rule was wrongly back-derived from it.

Tag, Ref, Slot, and Attribute (the last three designed earlier this same
session) all inherited the flawed premise. Fixes across all four:

- Tag: rewritten around kTagMap/tagNameMap reference counting so
  AddTag is entirely process's job, RemoveTag entirely retract's,
  using a Contains hint to skip engine calls that would be immediately
  redone. Also fixes the case where two independent Tag(...) values at
  different positions share a name (union semantics, like className).
- Ref/Slot: drop the incorrect assert(v==nil), split into "retract
  unbinds/destroys the old, process binds/mounts the new" with an
  identity check on both sides to avoid spurious re-fire.
- Attribute: AttributeKeyHandler.retract gated on v==nil so ordinary
  value updates don't flicker the attribute to nil; the group's
  "unchanged name" delegation now also retracts before reprocessing,
  since skipping it was silently stacking chain entries every cycle.

Reversal preserved in archive/retract-always-fires-reversed.md.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-08-12 16:13:25 +09:00
..
2026-08-04-01-roadmap-handoff.md chore(docs): split CLAUDE.md session log into .claude/session/, keep 2-4 line summaries 2026-08-11 14:40:43 +09:00
2026-08-06-01-quad-debug-design.md chore(docs): split CLAUDE.md session log into .claude/session/, keep 2-4 line summaries 2026-08-11 14:40:43 +09:00
2026-08-06-02-event-self-rbvm-corpus.md chore(docs): split CLAUDE.md session log into .claude/session/, keep 2-4 line summaries 2026-08-11 14:40:43 +09:00
2026-08-06-03-docsite-source-state.md chore(docs): split CLAUDE.md session log into .claude/session/, keep 2-4 line summaries 2026-08-11 14:40:43 +09:00
2026-08-06-04-pre-implementation-audit.md chore(docs): split CLAUDE.md session log into .claude/session/, keep 2-4 line summaries 2026-08-11 14:40:43 +09:00
2026-08-07-01-with-new-node.md chore(docs): split CLAUDE.md session log into .claude/session/, keep 2-4 line summaries 2026-08-11 14:40:43 +09:00
2026-08-07-02-modifier-apply.md chore(docs): split CLAUDE.md session log into .claude/session/, keep 2-4 line summaries 2026-08-11 14:40:43 +09:00
2026-08-07-03-preref.md chore(docs): split CLAUDE.md session log into .claude/session/, keep 2-4 line summaries 2026-08-11 14:40:43 +09:00
2026-08-07-04-corpus-reorg.md chore(docs): split CLAUDE.md session log into .claude/session/, keep 2-4 line summaries 2026-08-11 14:40:43 +09:00
2026-08-07-05-override-peek-isstate.md chore(docs): split CLAUDE.md session log into .claude/session/, keep 2-4 line summaries 2026-08-11 14:40:43 +09:00
2026-08-07-06-ref-preref-api.md chore(docs): split CLAUDE.md session log into .claude/session/, keep 2-4 line summaries 2026-08-11 14:40:43 +09:00
2026-08-07-07-state-apply-effect-subscribe.md chore(docs): split CLAUDE.md session log into .claude/session/, keep 2-4 line summaries 2026-08-11 14:40:43 +09:00
2026-08-07-08-none-sentinel-dispatch-brand.md chore(docs): split CLAUDE.md session log into .claude/session/, keep 2-4 line summaries 2026-08-11 14:40:43 +09:00
2026-08-07-09-corpus-audit-createdref.md chore(docs): split CLAUDE.md session log into .claude/session/, keep 2-4 line summaries 2026-08-11 14:40:43 +09:00
2026-08-07-10-none-vs-nil-order.md chore(docs): split CLAUDE.md session log into .claude/session/, keep 2-4 line summaries 2026-08-11 14:40:43 +09:00
2026-08-08-01-relate-bindlifetime.md chore(docs): split CLAUDE.md session log into .claude/session/, keep 2-4 line summaries 2026-08-11 14:40:43 +09:00
2026-08-08-02-dispatch-singleton-naming.md chore(docs): split CLAUDE.md session log into .claude/session/, keep 2-4 line summaries 2026-08-11 14:40:43 +09:00
2026-08-08-03-tag-redesign-dispatch-chain.md chore(docs): split CLAUDE.md session log into .claude/session/, keep 2-4 line summaries 2026-08-11 14:40:43 +09:00
2026-08-08-04-overridden-naming.md chore(docs): split CLAUDE.md session log into .claude/session/, keep 2-4 line summaries 2026-08-11 14:40:43 +09:00
2026-08-08-05-terminology-round.md chore(docs): split CLAUDE.md session log into .claude/session/, keep 2-4 line summaries 2026-08-11 14:40:43 +09:00
2026-08-09-01-canbound-modifier-error.md chore(docs): split CLAUDE.md session log into .claude/session/, keep 2-4 line summaries 2026-08-11 14:40:43 +09:00
2026-08-09-02-corpus-audit-archive-move.md chore(docs): split CLAUDE.md session log into .claude/session/, keep 2-4 line summaries 2026-08-11 14:40:43 +09:00
2026-08-09-03-slot-crud-list.md chore(docs): split CLAUDE.md session log into .claude/session/, keep 2-4 line summaries 2026-08-11 14:40:43 +09:00
2026-08-09-06-length-offset-unbindlifetime.md chore(docs): split CLAUDE.md session log into .claude/session/, keep 2-4 line summaries 2026-08-11 14:40:43 +09:00
2026-08-09-07-list-observer-lazy.md chore(docs): split CLAUDE.md session log into .claude/session/, keep 2-4 line summaries 2026-08-11 14:40:43 +09:00
2026-08-09-08-midreview-defects.md chore(docs): split CLAUDE.md session log into .claude/session/, keep 2-4 line summaries 2026-08-11 14:40:43 +09:00
2026-08-09-12-luau-test-spikes.md chore(docs): split CLAUDE.md session log into .claude/session/, keep 2-4 line summaries 2026-08-11 14:40:43 +09:00
2026-08-10-01-slot-add-return-index.md chore(docs): split CLAUDE.md session log into .claude/session/, keep 2-4 line summaries 2026-08-11 14:40:43 +09:00
2026-08-10-02-dynamic-children-ub.md chore(docs): split CLAUDE.md session log into .claude/session/, keep 2-4 line summaries 2026-08-11 14:40:43 +09:00
2026-08-10-03-tween-redesign.md chore(docs): split CLAUDE.md session log into .claude/session/, keep 2-4 line summaries 2026-08-11 14:40:43 +09:00
2026-08-10-04-onchange-key.md chore(docs): split CLAUDE.md session log into .claude/session/, keep 2-4 line summaries 2026-08-11 14:40:43 +09:00
2026-08-11-01-compute-trailing-args.md chore(docs): split CLAUDE.md session log into .claude/session/, keep 2-4 line summaries 2026-08-11 14:40:43 +09:00
2026-08-11-02-trailing-deps-positional.md chore(docs): split CLAUDE.md session log into .claude/session/, keep 2-4 line summaries 2026-08-11 14:40:43 +09:00
2026-08-11-03-previous-before-pack.md chore(docs): split CLAUDE.md session log into .claude/session/, keep 2-4 line summaries 2026-08-11 14:40:43 +09:00
2026-08-11-04-slot-list-layoutorder-index.md chore(docs): split CLAUDE.md session log into .claude/session/, keep 2-4 line summaries 2026-08-11 14:40:43 +09:00
2026-08-11-05-slot-doc-framing.md chore(docs): split CLAUDE.md session log into .claude/session/, keep 2-4 line summaries 2026-08-11 14:40:43 +09:00
2026-08-11-06-slot-single-nesting.md chore(docs): split CLAUDE.md session log into .claude/session/, keep 2-4 line summaries 2026-08-11 14:40:43 +09:00
2026-08-11-07-reactive-raw-elements.md chore(docs): split CLAUDE.md session log into .claude/session/, keep 2-4 line summaries 2026-08-11 14:40:43 +09:00
2026-08-11-08-claude-md-restructure.md chore(docs): split CLAUDE.md session log into .claude/session/, keep 2-4 line summaries 2026-08-11 14:40:43 +09:00
2026-08-11-09-attribute-group-primitive.md decide(attribute): group Attribute(...) primitive, AttributeKey rename, weak-cache identity 2026-08-11 18:22:54 +09:00
2026-08-12-01-tween-shape-finalized.md decide(tween): finalize option shape, override policy, relation-slot value 2026-08-12 11:02:13 +09:00
2026-08-12-02-animate-confirmed-and-or-audit.md decide(tween): finalize Animate combinator, fix and/or falsy-value bug 2026-08-12 11:14:08 +09:00
2026-08-12-03-cananimate-luau-syntax-note.md decide(tween): add Animate CanAnimate field, document Luau syntax facts 2026-08-12 11:17:49 +09:00
2026-08-12-04-compute-self-get-audit.md fix(docs): missing :Get() on :Compute callback args across base docs 2026-08-12 11:22:26 +09:00
2026-08-12-05-operator-sugar-plan.md decide(operator): add Operator sugar plan, unify combinators on :Apply 2026-08-12 11:54:09 +09:00
2026-08-12-06-tween-completed-bookkeeping-promoted.md decide(tween): confirm natural-completion bookkeeping is left as-is, promote to base/ 2026-08-12 12:19:49 +09:00
2026-08-12-07-preref-single-use-no-cancel.md decide(bind-system): PreRef is single-use, no cancel concept, reuse errors 2026-08-12 13:26:46 +09:00
2026-08-12-08-ref-retract-tagged-pattern.md decide(bind-system): Ref retract mirrors TagHandler, non-nilable T stays valid 2026-08-12 13:44:31 +09:00
2026-08-12-09-slot-retract-same-pattern.md decide(slot): store-bound Slot rebind uses Relate identity check, not retract 2026-08-12 13:49:58 +09:00
2026-08-12-10-attribute-name-ownership.md decide(attribute): per-name ownership via private rawNew keys, not a new registry 2026-08-12 15:23:24 +09:00
2026-08-12-11-retract-always-fires-correction.md decide(bind-system): retract fires on every re-dispatch, not just type changes 2026-08-12 16:13:25 +09:00