v0.20.7 restructure source and platform workspaces

.gitignore

@@ -5,17 +5,17 @@ secrets.env
 *.pem
 
 # ============ 字体（~140MB，通过 download-fonts.sh 获取）============
-.opencode/templates/fonts/*.otf
-.opencode/templates/fonts/*.ttf
-.opencode/templates/fonts/*.ttc
-.opencode/templates/fonts/*.woff*
+*.otf
+*.ttf
+*.ttc
+*.woff*
 
 # ============ 研究产出物（大文件）============
-projects/*/phase4/*.pdf
-projects/*/phase4/*.docx
-projects/*/phase4/figures/*.png
-projects/*/phase2/evidence/*.cache
-projects/*/**/*.tmp
+*/projects/*/phase4/*.pdf
+*/projects/*/phase4/*.docx
+*/projects/*/phase4/figures/*.png
+*/projects/*/phase2/evidence/*.cache
+*/projects/*/**/*.tmp
 
 # ============ Python ============
 __pycache__/
@@ -45,32 +45,28 @@ Thumbs.db
 .idea/
 *.sublime-*
 
-# ============ OpenCode ============
-.opencode/log/
-.opencode/cache/
+# ============ Generated platform environments ============
+/antigravity/
+/codex/
+/opencode/
+/claude-code/
+/gemini-cli/
+/platform_envs/
 
-# ============ Codex adapter deployment target ============
-# v0.20 keeps Codex templates in codex_adapter_templates/ and deploys usable
-# files to $CODEX_HOME or ~/.codex via scripts/deploy_adapters.py.
-.codex/
-
-# ============ Generated / legacy platform adapter working dirs ============
-# Antigravity native work should use tracked .agent/ only. These directories
-# are generated for other tools or kept out of clean Antigravity workspaces.
-.agents/
-.opencode/
-.claude/
-.gemini/
-
-# Rebuilt local platform workspaces. Generated by scripts/update_platform_envs.py.
-platform_envs/
+# ============ Legacy root platform dirs ============
+/.agent/
+/.agents/
+/.codex/
+/.opencode/
+/.claude/
+/.gemini/
 
 # Local platform permissions/settings are never source templates.
-platform_adapters/claude-code/settings.local.json
+src/platform_adapters/claude-code/settings.local.json
 
 # ============ 归档（不纳入版本控制）============
-archive/*
-!archive/.gitkeep
+src/archive/*
+!src/archive/.gitkeep
 
 # ============ 临时 LaTeX / TeX 测试文件 ============
 xetest.*
@@ -86,4 +82,5 @@ _preamble.tex
 
 # ============ 研究项目（实际数据，不纳入版本控制）============
 # 如需备份，请用独立的私有仓库
-projects/
+src/projects/*
+!src/projects/.gitkeep