feat(tui): lock boards 11-20 for shell through cloud

Add headless painters for live Shell, permission, plan, streaming,
resume, MCP, usage, quota, sandbox, and cloud handoff. Footer model
is cortex-1-mini; product copy stays Cortex-only.

Co-authored-by: Mathis <echobt@users.noreply.github.com>

Author: cursoragent

scripts/render-tui-lock.sh

@@ -59,6 +59,16 @@ binary still reports the crate version.
 | `session_loading.png` | Loading / streaming |
 | `session_error.png` | Error |
 | `session_success.png` | Success |
+| `shell.png` | Live Shell tile |
+| `permission.png` | Permission prompt |
+| `plan.png` | Plan confirmation |
+| `streaming.png` | Assistant stream + fence |
+| `resume.png` | `/resume` session list |
+| `mcp.png` | `/mcp` servers |
+| `usage.png` | `/usage` bars |
+| `quota.png` | Agent quota exhausted |
+| `sandbox.png` | `/sandbox` |
+| `cloud.png` | Cloud handoff |
 EOF
 
 echo "Wrote $output_dir"

src/cortex-tui/src/lib.rs

@@ -100,6 +100,7 @@ pub mod bridge;
 pub mod runner;
 
 // Visual-lock PNG / ANSI captures
+pub mod lock_boards;
 pub mod lock_proof;
 
 // Backtracking system for conversation history navigation