Add tool launch SSoT spec

PR Details:
- Defines samples-to-tools launch behavior.
- Defines games-to-Workspace Manager launch behavior.
- Defines external launch memory reset behavior.
- Defines SSoT launch data requirements.
- Forbids default/fallback routing behavior.

Author: DavidQ

docs/dev/roadmaps/MASTER_ROADMAP_RECOVERY.md

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+# MASTER ROADMAP - RECOVERY
+
+## Status Key
+- [x] complete
+- [.] in progress
+- [ ] planned
+
+## Baseline
+- target baseline commit: `3f7e9df`
+- baseline PR: `BUILD_PR_LEVEL_20_1_PHASE20_TOOL_PRESET_INTEGRATION`
+
+## Phase 20 Recovery
+- [x] Audit completed
+- [x] Recovery path applied (reset to baseline)
+- [ ] Remove anti-pattern drift through constrained replay PRs
+- [ ] Enforce SSoT for tool launch across games and samples
+- [ ] Enforce external-launch memory reset without fallback behavior
+- [ ] Validate Workspace Manager launch flow from `games/index.html`
+- [ ] Re-verify codex rule enforcement on recovery lane
+- [ ] Resume normal roadmap progression after recovery gate passes
+
+## Current Recovery State
+- HEAD reset to `3f7e9df`
+- broad post-baseline drift is intentionally discarded from active branch state
+- next work must replay only minimal UAT-critical launch behavior
+
+## Guard Notes
+- do not modify `MASTER_ROADMAP_ENGINE.md` prose during recovery
+- avoid `start_of_day` changes unless explicitly required
+- keep recovery PRs single-purpose and validation-backed

docs/pr/BUILD_PR_LEVEL_20_6_APPLY_RECOVERY_AND_MASTER_ROADMAP.md

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+# BUILD_PR_LEVEL_20_6_APPLY_RECOVERY_AND_MASTER_ROADMAP
+
+## Purpose
+Apply recovery based on audit and introduce MASTER_ROADMAP_RECOVERY.md.
+
+## Scope
+- Apply reset OR surgical cleanup based on prior decision
+- Introduce recovery roadmap
+- No new features
+
+## Acceptance
+- Repo aligned to clean baseline or cleaned state
+- Recovery roadmap created