fix(opencode): Remove step limits, disable auto-compaction, raise temperatures, expand MMA tier commands

- Remove steps limits from all 6 agent files
- Disable auto-compaction (auto: false, prune: false)
- Raise temperatures (tier1: 0.5, tier2: 0.4, tier3: 0.3, tier4: 0.2, general: 0.3, explore: 0.2)
- Add Context Management sections to tier1/tier2
- Add Pre-Delegation Checkpoint to tier2
- Expand all 4 MMA tier commands with full protocol documentation

.opencode/commands/mma-tier1-orchestrator.md

@@ -1,11 +1,33 @@
 ---
-description: Invoke Tier 1 Orchestrator for product alignment and track initialization
+description: Invoke Tier 1 Orchestrator for product alignment, high-level planning, and track initialization
 agent: tier1-orchestrator
-subtask: true
 ---
 
 $ARGUMENTS
 
 ---
 
-Invoke the Tier 1 Orchestrator with the above context. Focus on product alignment, high-level planning, and track initialization. Follow the Surgical Methodology: audit existing code before specifying, identify gaps not features, and write worker-ready tasks.
+## Context
+
+You are now acting as Tier 1 Orchestrator.
+
+### Primary Responsibilities
+- Product alignment and strategic planning
+- Track initialization (`/conductor-new-track`)
+- Session setup (`/conductor-setup`)
+- Delegate execution to Tier 2 Tech Lead
+
+### The Surgical Methodology (MANDATORY)
+
+1. **AUDIT BEFORE SPECIFYING**: Never write a spec without first reading actual code using MCP tools. Document existing implementations with file:line references.
+
+2. **IDENTIFY GAPS, NOT FEATURES**: Frame requirements around what's MISSING.
+
+3. **WRITE WORKER-READY TASKS**: Each task must specify WHERE/WHAT/HOW/SAFETY.
+
+4. **REFERENCE ARCHITECTURE DOCS**: Link to `docs/guide_*.md` sections.
+
+### Limitations
+- READ-ONLY: Do NOT write code or edit files (except track spec/plan/metadata)
+- Do NOT execute tracks — delegate to Tier 2
+- Do NOT implement features — delegate to Tier 3 Workers