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openspec/changes/enterprise-gaming-dialogue/proposal.md

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+# OpenSpec Change: enterprise-gaming-dialogue
+
+- **Change ID**: enterprise-gaming-dialogue
+- **Package**: `@suaveplan/dialogue`
+- **Category**: gaming/narrative
+- **Target path**: `gaming/narrative/dialogue`
+- **Status**: PROPOSED
+- **Date**: 2026-04-24
+- **Reference spec**: `/mnt/s/web/suaveplan/enterprise/dialogue.md`
+
+---
+
+## Summary
+
+Deliver `@suaveplan/dialogue` on the genesis branch from scratch at enterprise quality. The package provides branching dialogue trees with conditional choices, a bark system for ambient NPC speech, and conversation session management. A `DialogueTree` is a directed graph of `DialogueNode` objects; a `ConversationSession` advances through nodes given player choice input, evaluates `when` conditions against a context blackboard, and fires `@suaveplan/events` on node entry/exit. A `BarkSystem` selects one-shot NPC lines from tagged pools with cooldown deduplication. Genesis adds Zod node schemas, structured errors, OTel conversation counter, injectable clock, and 100% coverage.
+
+---
+
+## Current-state audit (genesis)
+
+Package does not exist on genesis yet — fresh build.
+
+---
+
+## Available workspace deps on genesis
+
+| Package | Role |
+|---|---|
+| `@suaveplan/error` (`workspace:^`) | `DialogueError`; `DIALOGUE.*` codes |
+| `@suaveplan/types` (`workspace:^`) | `Clock` |
+| `@suaveplan/events` (`workspace:^`) | Dialogue event bus |
+| `zod` (`catalog:forms`) | Node + tree schemas |
+| `@opentelemetry/api` (`catalog:observability`) | Conversation start/end counter |
+
+---
+
+## Public API surface
+
+```ts
+interface DialogueNode {
+  id: string
+  speaker?: string
+  text: string
+  choices?: DialogueChoice[]
+  action?: string          // action name fired on node entry
+  isExit?: boolean
+}
+
+interface DialogueChoice {
+  id: string
+  text: string
+  nextNodeId: string
+  when?: string            // expression evaluated against context; e.g. "gold >= 100"
+  hidden?: boolean         // hide choice if condition fails (vs. show disabled)
+}
+
+function createDialogueTree(nodes: DialogueNode[], rootId: string): DialogueTree
+
+interface DialogueTree {
+  getNode(id: string): DialogueNode | undefined
+  getChoices(nodeId: string, context: Record<string, unknown>): DialogueChoice[]
+}
+
+function createConversationSession(tree: DialogueTree, options?: SessionOptions): ConversationSession
+
+interface SessionOptions {
+  context?: Record<string, unknown>
+  clock?: Clock
+}
+
+interface ConversationSession {
+  readonly currentNode: DialogueNode
+  readonly isComplete: boolean
+  choose(choiceId: string): DialogueNode
+  advance(): void           // moves to next node if no choices
+  setContext(key: string, value: unknown): void
+  reset(): void
+}
+
+// Bark system
+function createBarkSystem(options?: BarkOptions): BarkSystem
+
+interface BarkOptions {
+  defaultCooldown?: number   // seconds between same tag, default 10
+  clock?: Clock
+}
+
+interface BarkSystem {
+  registerBarks(tag: string, lines: string[]): void
+  bark(speakerId: string, tag: string, rng: Rng): string | null   // null if on cooldown
+  clearCooldown(speakerId: string, tag?: string): void
+}
+```
+
+### Error codes
+
+```ts
+type DialogueErrorCode =
+  | 'DIALOGUE_NODE_NOT_FOUND'
+  | 'DIALOGUE_CHOICE_NOT_FOUND'
+  | 'DIALOGUE_CONDITION_ERROR'
+  | 'DIALOGUE_TREE_INVALID'
+  | 'DIALOGUE_NO_LINES'
+```
+
+---
+
+## New additions for genesis
+
+1. **Condition evaluator** — `when` strings parsed as simple expressions (`gold >= 100`, `hasItem("key")`); safe no-eval evaluation via token parser.
+2. **Hidden vs. disabled choices** — `hidden: true` removes choice from list; false shows it greyed.
+3. **Bark cooldown** — per-speaker per-tag cooldown tracked with injectable clock.
+
+---
+
+## File layout
+
+```text
+gaming/narrative/dialogue/
+  package.json
+  tsconfig.json
+  vitest.config.ts
+  src/
+    index.ts
+    error-codes.ts
+    constants/index.ts
+    types/common.ts
+    types/common.md
+    core/
+      dialogue-tree/
+        dialogue-tree.ts
+        dialogue-tree.md
+        dialogue-tree.types.ts
+        dialogue-tree.test.ts
+        index.ts
+      conversation-session/
+        conversation-session.ts
+        conversation-session.md
+        conversation-session.types.ts
+        conversation-session.test.ts
+        index.ts
+      bark-system/
+        bark-system.ts
+        bark-system.md
+        bark-system.types.ts
+        bark-system.test.ts
+        index.ts
+    utils/
+      condition-evaluator.ts
+      condition-evaluator.md
+      condition-evaluator.test.ts
+  tests/
+    integration.test.ts
+```
+
+---
+
+## Impact
+
+**Downstream**: `@suaveplan/react-dialogue` wraps session state in React hooks. Prerequisites: `@suaveplan/error`, `@suaveplan/types`, `@suaveplan/events`.

openspec/changes/enterprise-gaming-dialogue/tasks.md

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+# Tasks: enterprise-gaming-dialogue
+
+## 0. Pre-flight (non-negotiable)
+
+- [ ] 0.1 Confirm clean working tree (`git status` reports nothing) and no in-flight worktrees with uncommitted work (`git worktree list` then `git status` in each)
+- [ ] 0.2 If any worktrees exist under `.claude/worktrees/`, account for each one: still-active agent, work-pending-merge, or stale-and-prune. Stale worktrees MUST be removed (`git worktree remove`) before opening a new one — code that has been lost twice on main is the failure mode this guards against.
+- [ ] 0.3 Confirm the package set in `MANIFEST.md` matches `find packages -maxdepth 3 -name package.json` count. Drift here means a prior change archived without regenerating the manifest.
+
+## Phase 1 — Scaffold
+
+- [ ] Create `gaming/narrative/dialogue/` (`@suaveplan/dialogue`, `0.1.0`, `sideEffects: false`)
+- [ ] `tsconfig.json`, `vitest.config.ts`
+
+## Phase 2 — Error codes & constants
+
+- [ ] `src/error-codes.ts` + `src/constants/index.ts`
+
+## Phase 3 — Types
+
+- [ ] `src/types/common.ts` + `common.md`
+
+## Phase 4 — Condition evaluator
+
+- [ ] `src/utils/condition-evaluator.ts` — token parser for `field op value` expressions, no eval
+- [ ] Tests (all operators: >=, <=, ==, !=, >, <, hasItem)
+- [ ] Docs
+
+## Phase 5 — Dialogue tree
+
+- [ ] `src/core/dialogue-tree/dialogue-tree.ts` — node graph, getChoices with condition filtering
+- [ ] Tests + docs
+
+## Phase 6 — Conversation session
+
+- [ ] `src/core/conversation-session/conversation-session.ts` — choose/advance/reset, events, context updates
+- [ ] Tests + docs
+
+## Phase 7 — Bark system
+
+- [ ] `src/core/bark-system/bark-system.ts` — pool registry, random selection, per-speaker cooldown
+- [ ] Tests + docs
+
+## Phase 8 — Integration tests
+
+- [ ] `tests/integration.test.ts` — full conversation: branching choices, condition gating, bark cooldown cycle
+
+## Phase 9 — Pre-publish gate
+
+- [ ] `bunx turbo lint typecheck test --filter=@suaveplan/dialogue` green
+- [ ] 100% coverage
+- [ ] Publish: `bun scripts/publish.ts --package @suaveplan/dialogue`