WIP: stage all uncommitted work — sprints 46-221, graduation headers, specialist fleet, test steps 909-1988

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

sprint80_plan.md

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+# Sprint 80 Plan: Program Consolidation and LTS Baseline
+
+## Context
+
+After large-scale expansion, the program needs a consolidated long-term-support
+baseline. Sprint 80 formalizes LTS criteria and maintenance rhythms.
+
+---
+
+## Goals
+
+1. Define LTS baseline for adapters, policies, and matrix pairs
+2. Freeze and certify an LTS support matrix snapshot
+3. Create maintenance and deprecation schedules
+4. Publish long-horizon roadmap with governance checkpoints
+
+---
+
+## Steps
+
+### Step 1029: LTS baseline criteria schema (12 tests)
+### Step 1030: LTS candidate evaluator for language pairs (10 tests)
+### Step 1031: Snapshot freeze workflow and integrity checks (10 tests)
+### Step 1032: Deprecation policy model for unstable/obsolete pairs (10 tests)
+### Step 1033: Maintenance cadence scheduler (10 tests)
+### Step 1034: LTS risk watchlist and escalation hooks (8 tests)
+### Step 1035: `whetstone_get_lts_support_matrix` MCP tool (8 tests)
+### Step 1036: `whetstone_plan_deprecation_or_upgrade` MCP tool (8 tests)
+### Step 1037: LTS publication bundle + operator handbook (8 tests)
+### Step 1038: Sprint 80 integration summary + full-program regression (8 tests)
+
+---
+
+## LTS Rule
+
+- Only pairs with sustained certification and governance compliance enter LTS.