fix(gui): Skip empty strings in selectable to prevent ImGui ID assertion

Empty strings in bias_profiles.keys() and personas.keys() caused
imgui.selectable() to fail with 'Cannot have an empty ID at root of
window' assertion error. Added guards to skip empty names.

.opencode/agents/explore.md

@@ -1,7 +1,7 @@
----
+---
 description: Fast, read-only agent for exploring the codebase structure
 mode: subagent
-model: MiniMax-M2.5
+model: minimax-coding-plan/MiniMax-M2.7
 temperature: 0.2
 permission:
   edit: deny
@@ -78,4 +78,4 @@ Return concise findings with file:line references:
 
 ### Summary
 [One-paragraph summary of findings]
-```
+```

.opencode/agents/general.md

@@ -1,7 +1,7 @@
----
+---
 description: General-purpose agent for researching complex questions and executing multi-step tasks
 mode: subagent
-model: MiniMax-M2.5
+model: minimax-coding-plan/MiniMax-M2.7
 temperature: 0.3
 ---
 
@@ -81,4 +81,4 @@ Return detailed findings with evidence:
 
 ### Recommendations
 - [Suggested next steps if applicable]
-```
+```

.opencode/agents/tier1-orchestrator.md

@@ -1,7 +1,7 @@
----
+---
 description: Tier 1 Orchestrator for product alignment, high-level planning, and track initialization
 mode: primary
-model: MiniMax-M2.5
+model: minimax-coding-plan/MiniMax-M2.7
 temperature: 0.5
 permission:
   edit: ask
@@ -18,7 +18,7 @@ ONLY output the requested text. No pleasantries.
 
 ## Context Management
 
-**MANUAL COMPACTION ONLY** — Never rely on automatic context summarization.
+**MANUAL COMPACTION ONLY** � Never rely on automatic context summarization.
 Use `/compact` command explicitly when context needs reduction.
 Preserve full context during track planning and spec creation.
 
@@ -105,7 +105,7 @@ Use `manual-slop_py_get_code_outline`, `manual-slop_py_get_definition`,
 Document existing implementations with file:line references in a
 "Current State Audit" section in the spec.
 
-**FAILURE TO AUDIT = TRACK FAILURE** — Previous tracks failed because specs
+**FAILURE TO AUDIT = TRACK FAILURE** � Previous tracks failed because specs
 asked to implement features that already existed.
 
 ### 2. Identify Gaps, Not Features
@@ -175,4 +175,4 @@ Focus: {One-sentence scope}
 - Do NOT use native `edit` tool - use MCP tools
 - DO NOT SKIP A TEST IN PYTEST JUST BECAUSE ITS BROKEN AND HAS NO TRIVIAL SOLUTION OR FIX.
 - DO NOT SIMPLIFY A TEST JUST BECAUSE IT HAS NO TRIVIAL SOLUTION TO FIX.
-- DO NOT CREATE MOCK PATCHES TO PSEUDO API CALLS OR HOOKS BECAUSE THE APP SOURCE WAS CHANGED. ADAPT TESTS PROPERLY.
+- DO NOT CREATE MOCK PATCHES TO PSEUDO API CALLS OR HOOKS BECAUSE THE APP SOURCE WAS CHANGED. ADAPT TESTS PROPERLY.

.opencode/agents/tier2-tech-lead.md

@@ -1,7 +1,7 @@
----
+---
 description: Tier 2 Tech Lead for architectural design and track execution with persistent memory
 mode: primary
-model: MiniMax-M2.5
+model: minimax-coding-plan/MiniMax-M2.7
 temperature: 0.4
 permission:
   edit: ask
@@ -14,9 +14,9 @@ ONLY output the requested text. No pleasantries.
 
 ## Context Management
 
-**MANUAL COMPACTION ONLY** — Never rely on automatic context summarization.
+**MANUAL COMPACTION ONLY** � Never rely on automatic context summarization.
 Use `/compact` command explicitly when context needs reduction.
-You maintain PERSISTENT MEMORY throughout track execution — do NOT apply Context Amnesia to your own session.
+You maintain PERSISTENT MEMORY throughout track execution � do NOT apply Context Amnesia to your own session.
 
 ## CRITICAL: MCP Tools Only (Native Tools Banned)
 
@@ -134,14 +134,14 @@ Before implementing:
 - Zero-assertion ban: Tests MUST have meaningful assertions
 - Delegate test creation to Tier 3 Worker via Task tool
 - Run tests and confirm they FAIL as expected
-- **CONFIRM FAILURE** — this is the Red phase
+- **CONFIRM FAILURE** � this is the Red phase
 
 ### 3. Green Phase: Implement to Pass
 
 - **Pre-delegation checkpoint**: Stage current progress (`git add .`)
 - Delegate implementation to Tier 3 Worker via Task tool
 - Run tests and confirm they PASS
-- **CONFIRM PASS** — this is the Green phase
+- **CONFIRM PASS** � this is the Green phase
 
 ### 4. Refactor Phase (Optional)
 
@@ -213,4 +213,4 @@ When all tasks in a phase are complete:
 - Do NOT use native `edit` tool - use MCP tools
 - DO NOT SKIP A TEST IN PYTEST JUST BECAUSE ITS BROKEN AND HAS NO TRIVIAL SOLUTION OR FIX.
 - DO NOT SIMPLIFY A TEST JUST BECAUSE IT HAS NO TRIVIAL SOLUTION TO FIX.
-- DO NOT CREATE MOCK PATCHES TO PSEUDO API CALLS OR HOOKS BECAUSE THE APP SOURCE WAS CHANGED. ADAPT TESTS PROPERLY.
+- DO NOT CREATE MOCK PATCHES TO PSEUDO API CALLS OR HOOKS BECAUSE THE APP SOURCE WAS CHANGED. ADAPT TESTS PROPERLY.

.opencode/agents/tier3-worker.md

@@ -1,7 +1,7 @@
----
+---
 description: Stateless Tier 3 Worker for surgical code implementation and TDD
 mode: subagent
-model: MiniMax-M2.5
+model: minimax-coding-plan/minimax-m2.7
 temperature: 0.3
 permission:
   edit: allow
@@ -133,4 +133,4 @@ If you cannot complete the task:
 - Do NOT modify files outside the specified scope
 - DO NOT SKIP A TEST IN PYTEST JUST BECAUSE ITS BROKEN AND HAS NO TRIVIAL SOLUTION OR FIX.
 - DO NOT SIMPLIFY A TEST JUST BECAUSE IT HAS NO TRIVIAL SOLUTION TO FIX.
-- DO NOT CREATE MOCK PATCHES TO PSEUDO API CALLS OR HOOKS BECAUSE THE APP SOURCE WAS CHANGED. ADAPT TESTS PROPERLY.
+- DO NOT CREATE MOCK PATCHES TO PSEUDO API CALLS OR HOOKS BECAUSE THE APP SOURCE WAS CHANGED. ADAPT TESTS PROPERLY.

.opencode/agents/tier4-qa.md

@@ -1,7 +1,7 @@
----
+---
 description: Stateless Tier 4 QA Agent for error analysis and diagnostics
 mode: subagent
-model: MiniMax-M2.5
+model: 	minimax-coding-plan/MiniMax-M2.7
 temperature: 0.2
 permission:
   edit: deny
@@ -119,4 +119,4 @@ If you cannot analyze the error:
 - Do NOT read full large files - use skeleton tools first
 - DO NOT SKIP A TEST IN PYTEST JUST BECAUSE ITS BROKEN AND HAS NO TRIVIAL SOLUTION OR FIX.
 - DO NOT SIMPLIFY A TEST JUST BECAUSE IT HAS NO TRIVIAL SOLUTION TO FIX.
-- DO NOT CREATE MOCK PATCHES TO PSEUDO API CALLS OR HOOKS BECAUSE THE APP SOURCE WAS CHANGED. ADAPT TESTS PROPERLY.
+- DO NOT CREATE MOCK PATCHES TO PSEUDO API CALLS OR HOOKS BECAUSE THE APP SOURCE WAS CHANGED. ADAPT TESTS PROPERLY.