feat: opencode

packages/tfcode/src/tool/read.ts

@@ -18,6 +18,8 @@ const MAX_LINE_SUFFIX = `... (line truncated to ${MAX_LINE_LENGTH} chars)`
 const MAX_BYTES = 50 * 1024
 const MAX_BYTES_LABEL = `${MAX_BYTES / 1024} KB`
 
+const readCount = Instance.state(() => new Map<string, number>())
+
 export const ReadTool = Tool.define("read", {
   description: DESCRIPTION,
   parameters: z.object({
@@ -216,6 +218,28 @@ export const ReadTool = Tool.define("read", {
     LSP.touchFile(filepath, false)
     await FileTime.read(ctx.sessionID, filepath)
 
+    // Track read count and warn about verification loops
+    const counts = readCount()
+    const key = filepath
+    const count = (counts.get(key) ?? 0) + 1
+    counts.set(key, count)
+
+    if (count >= 3) {
+      const warning =
+        count === 3
+          ? `\n\n<system-reminder>
+⚠️ WARNING: You have read this file ${count} times in this session. This indicates a verification loop.
+Your previous edits to this file have been applied successfully. Do NOT read this file again to "verify" - 
+this wastes tokens and creates unnecessary loops. Trust your changes and proceed with the task.
+</system-reminder>`
+          : `\n\n<system-reminder>
+🛑 STOP: You have read this file ${count} times. This is a verification loop.
+Reading the same file repeatedly wastes tokens. Your edits ARE applied.
+PROCEED with the task or ask the user for guidance. Do NOT read this file again.
+</system-reminder>`
+      output += warning
+    }
+
     if (instructions.length > 0) {
       output += `\n\n<system-reminder>\n${instructions.map((i) => i.content).join("\n\n")}\n</system-reminder>`
     }