feat: M2.1 客户端骨架、BLE 修复、仓库整理与现状板

- BLE: 修复 BlueZ LocalName 与 Includes 冲突，串行注册与退避
- HTTP: 语音对话补 Live2D talking 标志与 session；Web 补 X-Session-Id
- Flutter: 角色/对话/模型页 + API，Gradle/依赖升级，麦克风权限
- 文档: 新增 docs/STATUS.md，校准 CLAUDE/PROGRESS/README
- 清理: 移除根目录截图与临时模型，运维脚本迁入 scripts/device

scripts/device/ssh_check.sh

@@ -0,0 +1,23 @@
+#!/bin/bash
+echo "=== DOWNLOAD TOOLS ==="
+which wget 2>/dev/null && echo "wget: yes" || echo "wget: no"
+which curl 2>/dev/null && echo "curl: yes" || echo "curl: no"
+
+echo "=== OPENGL/EGL LIBS ==="
+ls /usr/lib/aarch64-linux-gnu/libEGL* 2>/dev/null || echo "no EGL lib"
+ls /usr/lib/aarch64-linux-gnu/libGLESv2* 2>/dev/null || echo "no GLES lib"
+ls /usr/lib/aarch64-linux-gnu/libGL* 2>/dev/null || echo "no GL lib"
+
+echo "=== PKG CONFIG ==="
+pkg-config --list-all 2>/dev/null | grep -iE 'egl|gles|gl' || echo "no pkg-config gl"
+
+echo "=== BUILD TOOLS ==="
+gcc --version 2>/dev/null | head -1 || echo "no gcc"
+g++ --version 2>/dev/null | head -1 || echo "no g++"
+cmake --version 2>/dev/null | head -1 || echo "no cmake"
+
+echo "=== RUST ==="
+ls ~/.rustup/toolchains/*/bin/rustc 2>/dev/null | head -1
+~/.rustup/toolchains/stable-aarch64-unknown-linux-gnu/bin/rustc --version 2>/dev/null
+
+echo "=== DONE ==="