fix(deps): pin plugin dependency and improve diff handling

- Remove unused formatDiffForMarkdown function
- Move originalFileContent read before applying changes for accurate diff comparison
- Pin @opencode-ai/plugin to ^1.1.6 instead of 'latest' for stability
- Bump version to 2.2.2

Author: tickernelz

index.ts

@@ -228,10 +228,6 @@ function estimateTokens(text: string): number {
   return Math.ceil(text.length / 4)
 }
 
-function formatDiffForMarkdown(diff: string): string {
-  return "```diff\n" + diff + "\n```"
-}
-
 function normalizeWhitespace(text: string): string {
   return text
     .split('\n')
@@ -520,7 +516,7 @@ async function sendTUINotification(
     "",
     `Applied changes to ${shortPath} (+${insertions} -${deletions}):`,
     "",
-    formatDiffForMarkdown(diff)
+    diff
   ].join("\n")
 
   await sendTUIMessage(client, sessionID, message, params)
@@ -659,6 +655,9 @@ write({
 
           const mergedCode = result.content
 
+          // Read original file content BEFORE applying changes (for diff comparison)
+          const originalFileContent = await readFile(filepath, "utf-8")
+
           // Apply partial edit with smart matching
           const applyResult = await applyPartialEdit(filepath, original_code, mergedCode)
 
@@ -690,8 +689,7 @@ write({
             return formatErrorOutput(error.message, target_filepath, directory)
           }
 
-          // Read origfile for diff comparison
-          const originalFileContent = await readFile(filepath, "utf-8")
+          // Generate diff comparing original content with merged content
           const diff = generateUnifiedDiff(
             target_filepath,
             originalFileContent,

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "opencode-fast-apply",
-  "version": "2.2.1",
+  "version": "2.2.2",
   "description": "OpenCode plugin for Fast Apply - High-performance code editing with OpenAI-compatible APIs (LM Studio, Ollama)",
   "type": "module",
   "main": "dist/index.js",
@@ -16,7 +16,7 @@
     "prepublishOnly": "npm run build"
   },
   "dependencies": {
-    "@opencode-ai/plugin": "latest",
+    "@opencode-ai/plugin": "^1.1.6",
     "diff": "^8.0.2"
   },
   "devDependencies": {