fix(trae): harden install and uninstall flow

.trae/README.md

@@ -1,6 +1,6 @@
 # Everything Claude Code for Trae
 
-Bring [Everything Claude Code](https://github.com/anthropics/courses/tree/master/everything-claude-code) (ECC) workflows to Trae IDE. This repository provides custom commands, agents, skills, and rules that can be installed into any Trae project with a single command.
+Bring Everything Claude Code (ECC) workflows to Trae IDE. This repository provides custom commands, agents, skills, and rules that can be installed into any Trae project with a single command.
 
 ## Quick Start
 
@@ -76,11 +76,12 @@ This creates `~/.trae-cn/` with all ECC components. All Trae projects will use t
 ### Force Environment
 
 ```bash
-# Force CN environment (global setting)
-TRAE_ENV=cn ./install.sh
+# From project root, force the CN environment
+TRAE_ENV=cn .trae/install.sh
 
-# Use default environment (default)
-./install.sh
+# From inside the .trae folder
+cd .trae
+TRAE_ENV=cn ./install.sh
 ```
 
 **Note**: `TRAE_ENV` is a global environment variable that applies to the entire installation session.

.trae/README.zh-CN.md

@@ -1,6 +1,6 @@
 # Everything Claude Code for Trae
 
-为 Trae IDE 带来 [Everything Claude Code](https://github.com/anthropics/courses/tree/master/everything-claude-code) (ECC) 工作流。此仓库提供自定义命令、智能体、技能和规则，可以通过单个命令安装到任何 Trae 项目中。
+为 Trae IDE 带来 Everything Claude Code (ECC) 工作流。此仓库提供自定义命令、智能体、技能和规则，可以通过单个命令安装到任何 Trae 项目中。
 
 ## 快速开始
 
@@ -84,10 +84,11 @@ TRAE_ENV=cn .trae/install.sh ~
 ### 强制指定环境
 
 ```bash
-# 强制使用 CN 环境
-TRAE_ENV=cn ./install.sh
+# 从项目根目录强制使用 CN 环境
+TRAE_ENV=cn .trae/install.sh
 
-# 使用默认环境
+# 进入 .trae 目录后使用默认环境
+cd .trae
 ./install.sh
 ```
 

.trae/install.sh

@@ -29,6 +29,16 @@ get_trae_dir() {
     fi
 }
 
+ensure_manifest_entry() {
+    local manifest="$1"
+    local entry="$2"
+
+    touch "$manifest"
+    if ! grep -Fqx "$entry" "$manifest"; then
+        echo "$entry" >> "$manifest"
+    fi
+}
+
 # Install function
 do_install() {
     local target_dir="$PWD"
@@ -70,7 +80,7 @@ do_install() {
 
     # Manifest file to track installed files
     MANIFEST="$trae_full_path/.ecc-manifest"
-    rm -f "$MANIFEST"
+    touch "$MANIFEST"
 
     # Counters for summary
     commands=0
@@ -86,9 +96,11 @@ do_install() {
             local_name=$(basename "$f")
             target_path="$trae_full_path/commands/$local_name"
             if [ ! -f "$target_path" ]; then
-                cp "$f" "$target_path" 2>/dev/null || true
-                echo "commands/$local_name" >> "$MANIFEST"
+                cp "$f" "$target_path"
+                ensure_manifest_entry "$MANIFEST" "commands/$local_name"
                 commands=$((commands + 1))
+            else
+                ensure_manifest_entry "$MANIFEST" "commands/$local_name"
             fi
         done
     fi
@@ -100,9 +112,11 @@ do_install() {
             local_name=$(basename "$f")
             target_path="$trae_full_path/agents/$local_name"
             if [ ! -f "$target_path" ]; then
-                cp "$f" "$target_path" 2>/dev/null || true
-                echo "agents/$local_name" >> "$MANIFEST"
+                cp "$f" "$target_path"
+                ensure_manifest_entry "$MANIFEST" "agents/$local_name"
                 agents=$((agents + 1))
+            else
+                ensure_manifest_entry "$MANIFEST" "agents/$local_name"
             fi
         done
     fi
@@ -113,15 +127,21 @@ do_install() {
             [ -d "$d" ] || continue
             skill_name="$(basename "$d")"
             target_skill_dir="$trae_full_path/skills/$skill_name"
-            if [ ! -d "$target_skill_dir" ]; then
-                mkdir -p "$target_skill_dir"
-                cp -r "$d"* "$target_skill_dir/" 2>/dev/null || true
-                for skill_file in "$target_skill_dir"/*; do
-                    [ -f "$skill_file" ] || continue
-                    relative_path="skills/$skill_name/$(basename "$skill_file")"
-                    echo "$relative_path" >> "$MANIFEST"
-                done
-                echo "skills/$skill_name" >> "$MANIFEST"
+            skill_copied=0
+
+            while IFS= read -r source_file; do
+                relative_path="${source_file#$d}"
+                target_path="$target_skill_dir/$relative_path"
+
+                mkdir -p "$(dirname "$target_path")"
+                if [ ! -f "$target_path" ]; then
+                    cp "$source_file" "$target_path"
+                    skill_copied=1
+                fi
+                ensure_manifest_entry "$MANIFEST" "skills/$skill_name/$relative_path"
+            done < <(find "$d" -type f | sort)
+
+            if [ "$skill_copied" -eq 1 ]; then
                 skills=$((skills + 1))
             fi
         done
@@ -129,18 +149,17 @@ do_install() {
 
     # Copy rules from repo root
     if [ -d "$REPO_ROOT/rules" ]; then
-        if [ -d "$REPO_ROOT/rules/common" ]; then
-            for f in "$REPO_ROOT/rules/common"/*.md; do
-                [ -f "$f" ] || continue
-                local_name=$(basename "$f")
-                target_path="$trae_full_path/rules/$local_name"
-                if [ ! -f "$target_path" ]; then
-                    cp "$f" "$target_path" 2>/dev/null || true
-                    echo "rules/$local_name" >> "$MANIFEST"
-                    rules=$((rules + 1))
-                fi
-            done
-        fi
+        while IFS= read -r rule_file; do
+            relative_path="${rule_file#$REPO_ROOT/rules/}"
+            target_path="$trae_full_path/rules/$relative_path"
+
+            mkdir -p "$(dirname "$target_path")"
+            if [ ! -f "$target_path" ]; then
+                cp "$rule_file" "$target_path"
+                rules=$((rules + 1))
+            fi
+            ensure_manifest_entry "$MANIFEST" "rules/$relative_path"
+        done < <(find "$REPO_ROOT/rules" -type f | sort)
     fi
 
     # Copy README files from this directory
@@ -149,9 +168,11 @@ do_install() {
             local_name=$(basename "$readme_file")
             target_path="$trae_full_path/$local_name"
             if [ ! -f "$target_path" ]; then
-                cp "$readme_file" "$target_path" 2>/dev/null || true
-                echo "$local_name" >> "$MANIFEST"
+                cp "$readme_file" "$target_path"
+                ensure_manifest_entry "$MANIFEST" "$local_name"
                 other=$((other + 1))
+            else
+                ensure_manifest_entry "$MANIFEST" "$local_name"
             fi
         fi
     done
@@ -162,16 +183,18 @@ do_install() {
             local_name=$(basename "$script_file")
             target_path="$trae_full_path/$local_name"
             if [ ! -f "$target_path" ]; then
-                cp "$script_file" "$target_path" 2>/dev/null || true
-                chmod +x "$target_path" 2>/dev/null || true
-                echo "$local_name" >> "$MANIFEST"
+                cp "$script_file" "$target_path"
+                chmod +x "$target_path"
+                ensure_manifest_entry "$MANIFEST" "$local_name"
                 other=$((other + 1))
+            else
+                ensure_manifest_entry "$MANIFEST" "$local_name"
             fi
         fi
     done
 
     # Add manifest file itself to manifest
-    echo ".ecc-manifest" >> "$MANIFEST"
+    ensure_manifest_entry "$MANIFEST" ".ecc-manifest"
 
     # Installation summary
     echo "Installation complete!"

.trae/uninstall.sh

@@ -26,6 +26,22 @@ get_trae_dir() {
     fi
 }
 
+resolve_path() {
+    python3 -c 'import os, sys; print(os.path.realpath(sys.argv[1]))' "$1"
+}
+
+is_valid_manifest_entry() {
+    local file_path="$1"
+
+    case "$file_path" in
+        ""|/*|~*|*/../*|../*|*/..|..)
+            return 1
+            ;;
+    esac
+
+    return 0
+}
+
 # Main uninstall function
 do_uninstall() {
     local target_dir="$PWD"
@@ -61,6 +77,8 @@ do_uninstall() {
         exit 1
     fi
     
+    trae_root_resolved="$(resolve_path "$trae_full_path")"
+
     # Manifest file path
     MANIFEST="$trae_full_path/.ecc-manifest"
     
@@ -100,18 +118,35 @@ do_uninstall() {
     # Read manifest and remove files
     while IFS= read -r file_path; do
         [ -z "$file_path" ] && continue
-        
+
+        if ! is_valid_manifest_entry "$file_path"; then
+            echo "Skipped: $file_path (invalid manifest entry)"
+            skipped=$((skipped + 1))
+            continue
+        fi
+
         full_path="$trae_full_path/$file_path"
-        
-        if [ -f "$full_path" ]; then
-            rm -f "$full_path"
+        resolved_full="$(resolve_path "$full_path")"
+
+        case "$resolved_full" in
+            "$trae_root_resolved"|"$trae_root_resolved"/*)
+                ;;
+            *)
+                echo "Skipped: $file_path (invalid manifest entry)"
+                skipped=$((skipped + 1))
+                continue
+                ;;
+        esac
+
+        if [ -f "$resolved_full" ]; then
+            rm -f "$resolved_full"
             echo "Removed: $file_path"
             removed=$((removed + 1))
-        elif [ -d "$full_path" ]; then
+        elif [ -d "$resolved_full" ]; then
             # Only remove directory if it's empty
-            if [ -z "$(ls -A "$full_path" 2>/dev/null)" ]; then
-                rmdir "$full_path" 2>/dev/null || true
-                if [ ! -d "$full_path" ]; then
+            if [ -z "$(ls -A "$resolved_full" 2>/dev/null)" ]; then
+                rmdir "$resolved_full" 2>/dev/null || true
+                if [ ! -d "$resolved_full" ]; then
                     echo "Removed: $file_path/"
                     removed=$((removed + 1))
                 fi
@@ -123,18 +158,16 @@ do_uninstall() {
             skipped=$((skipped + 1))
         fi
     done < "$MANIFEST"
-    
-    # Try to remove subdirectories if they're empty
-    for subdir in commands agents skills rules; do
-        subdir_path="$trae_full_path/$subdir"
-        if [ -d "$subdir_path" ] && [ -z "$(ls -A "$subdir_path" 2>/dev/null)" ]; then
-            rmdir "$subdir_path" 2>/dev/null || true
-            if [ ! -d "$subdir_path" ]; then
-                echo "Removed: $subdir/"
-                removed=$((removed + 1))
-            fi
+
+    while IFS= read -r empty_dir; do
+        [ "$empty_dir" = "$trae_full_path" ] && continue
+        relative_dir="${empty_dir#$trae_full_path/}"
+        rmdir "$empty_dir" 2>/dev/null || true
+        if [ ! -d "$empty_dir" ]; then
+            echo "Removed: $relative_dir/"
+            removed=$((removed + 1))
         fi
-    done
+    done < <(find "$trae_full_path" -depth -type d -empty 2>/dev/null | sort -r)
     
     # Try to remove the main trae directory if it's empty
     if [ -d "$trae_full_path" ] && [ -z "$(ls -A "$trae_full_path" 2>/dev/null)" ]; then