merge dev into master

index.ts

@@ -1,10 +1,9 @@
 import type { Plugin } from "@opencode-ai/plugin"
 import { getConfig } from "./lib/config"
 import { Logger } from "./lib/logger"
-import { loadPrompt } from "./lib/prompts"
 import { createSessionState } from "./lib/state"
 import { createDiscardTool, createExtractTool } from "./lib/strategies"
-import { createChatMessageTransformHandler } from "./lib/hooks"
+import { createChatMessageTransformHandler, createSystemPromptHandler } from "./lib/hooks"
 
 const plugin: Plugin = (async (ctx) => {
     const config = getConfig(ctx)
@@ -13,11 +12,6 @@ const plugin: Plugin = (async (ctx) => {
         return {}
     }
 
-    // Suppress AI SDK warnings
-    if (typeof globalThis !== "undefined") {
-        ;(globalThis as any).AI_SDK_LOG_WARNINGS = false
-    }
-
     const logger = new Logger(config.debug)
     const state = createSessionState()
 
@@ -26,38 +20,8 @@ const plugin: Plugin = (async (ctx) => {
     })
 
     return {
-        "experimental.chat.system.transform": async (
-            _input: unknown,
-            output: { system: string[] },
-        ) => {
-            const systemText = output.system.join("\n")
-            const internalAgentSignatures = [
-                "You are a title generator",
-                "You are a helpful AI assistant tasked with summarizing conversations",
-                "Summarize what was done in this conversation",
-            ]
-            if (internalAgentSignatures.some((sig) => systemText.includes(sig))) {
-                logger.info("Skipping DCP system prompt injection for internal agent")
-                return
-            }
+        "experimental.chat.system.transform": createSystemPromptHandler(state, logger, config),
 
-            const discardEnabled = config.tools.discard.enabled
-            const extractEnabled = config.tools.extract.enabled
-
-            let promptName: string
-            if (discardEnabled && extractEnabled) {
-                promptName = "user/system/system-prompt-both"
-            } else if (discardEnabled) {
-                promptName = "user/system/system-prompt-discard"
-            } else if (extractEnabled) {
-                promptName = "user/system/system-prompt-extract"
-            } else {
-                return
-            }
-
-            const syntheticPrompt = loadPrompt(promptName)
-            output.system.push(syntheticPrompt)
-        },
         "experimental.chat.messages.transform": createChatMessageTransformHandler(
             ctx.client,
             state,

lib/hooks.ts

@@ -5,6 +5,48 @@ import { syncToolCache } from "./state/tool-cache"
 import { deduplicate, supersedeWrites, purgeErrors } from "./strategies"
 import { prune, insertPruneToolContext } from "./messages"
 import { checkSession } from "./state"
+import { loadPrompt } from "./prompts"
+
+const INTERNAL_AGENT_SIGNATURES = [
+    "You are a title generator",
+    "You are a helpful AI assistant tasked with summarizing conversations",
+    "Summarize what was done in this conversation",
+]
+
+export function createSystemPromptHandler(
+    state: SessionState,
+    logger: Logger,
+    config: PluginConfig,
+) {
+    return async (_input: unknown, output: { system: string[] }) => {
+        if (state.isSubAgent) {
+            return
+        }
+
+        const systemText = output.system.join("\n")
+        if (INTERNAL_AGENT_SIGNATURES.some((sig) => systemText.includes(sig))) {
+            logger.info("Skipping DCP system prompt injection for internal agent")
+            return
+        }
+
+        const discardEnabled = config.tools.discard.enabled
+        const extractEnabled = config.tools.extract.enabled
+
+        let promptName: string
+        if (discardEnabled && extractEnabled) {
+            promptName = "system/system-prompt-both"
+        } else if (discardEnabled) {
+            promptName = "system/system-prompt-discard"
+        } else if (extractEnabled) {
+            promptName = "system/system-prompt-extract"
+        } else {
+            return
+        }
+
+        const syntheticPrompt = loadPrompt(promptName)
+        output.system.push(syntheticPrompt)
+    }
+}
 
 export function createChatMessageTransformHandler(
     client: any,

lib/messages/inject.ts

@@ -17,11 +17,11 @@ const getNudgeString = (config: PluginConfig): string => {
     const extractEnabled = config.tools.extract.enabled
 
     if (discardEnabled && extractEnabled) {
-        return loadPrompt(`user/nudge/nudge-both`)
+        return loadPrompt(`nudge/nudge-both`)
     } else if (discardEnabled) {
-        return loadPrompt(`user/nudge/nudge-discard`)
+        return loadPrompt(`nudge/nudge-discard`)
     } else if (extractEnabled) {
-        return loadPrompt(`user/nudge/nudge-extract`)
+        return loadPrompt(`nudge/nudge-extract`)
     }
     return ""
 }

lib/messages/prune.ts

@@ -3,11 +3,10 @@ import type { Logger } from "../logger"
 import type { PluginConfig } from "../config"
 import { isMessageCompacted } from "../shared-utils"
 
-const PRUNED_TOOL_INPUT_REPLACEMENT =
-    "[content removed to save context, this is not what was written to the file, but a placeholder]"
 const PRUNED_TOOL_OUTPUT_REPLACEMENT =
     "[Output removed to save context - information superseded or no longer needed]"
 const PRUNED_TOOL_ERROR_INPUT_REPLACEMENT = "[input removed due to failed tool call]"
+const PRUNED_QUESTION_INPUT_REPLACEMENT = "[questions removed - see output for user's answers]"
 
 export const prune = (
     state: SessionState,
@@ -33,20 +32,18 @@ const pruneToolOutputs = (state: SessionState, logger: Logger, messages: WithPar
             if (!state.prune.toolIds.includes(part.callID)) {
                 continue
             }
-            if (part.tool === "write" || part.tool === "edit") {
+            if (part.state.status !== "completed") {
                 continue
             }
-            if (part.state.status === "completed") {
-                part.state.output = PRUNED_TOOL_OUTPUT_REPLACEMENT
+            if (part.tool === "question") {
+                continue
             }
+
+            part.state.output = PRUNED_TOOL_OUTPUT_REPLACEMENT
         }
     }
 }
 
-// NOTE: This function is currently unused because "write" and "edit" are protected by default.
-// Some models incorrectly use PRUNED_TOOL_INPUT_REPLACEMENT in their output when they see it in context.
-// See: https://github.com/Opencode-DCP/opencode-dynamic-context-pruning/issues/215
-// Keeping this function in case the bug is resolved in the future.
 const pruneToolInputs = (state: SessionState, logger: Logger, messages: WithParts[]): void => {
     for (const msg of messages) {
         if (isMessageCompacted(state, msg)) {
@@ -60,23 +57,15 @@ const pruneToolInputs = (state: SessionState, logger: Logger, messages: WithPart
             if (!state.prune.toolIds.includes(part.callID)) {
                 continue
             }
-            if (part.tool !== "write" && part.tool !== "edit") {
+            if (part.state.status !== "completed") {
                 continue
             }
-            if (part.state.status !== "completed") {
+            if (part.tool !== "question") {
                 continue
             }
 
-            if (part.tool === "write" && part.state.input?.content !== undefined) {
-                part.state.input.content = PRUNED_TOOL_INPUT_REPLACEMENT
-            }
-            if (part.tool === "edit") {
-                if (part.state.input?.oldString !== undefined) {
-                    part.state.input.oldString = PRUNED_TOOL_INPUT_REPLACEMENT
-                }
-                if (part.state.input?.newString !== undefined) {
-                    part.state.input.newString = PRUNED_TOOL_INPUT_REPLACEMENT
-                }
+            if (part.state.input?.questions !== undefined) {
+                part.state.input.questions = PRUNED_QUESTION_INPUT_REPLACEMENT
             }
         }
     }

lib/messages/utils.ts

@@ -177,6 +177,26 @@ export const extractParameterKey = (tool: string, parameters: any): string => {
         return op
     }
 
+    if (tool === "question") {
+        const questions = parameters.questions
+        if (Array.isArray(questions) && questions.length > 0) {
+            const headers = questions
+                .map((q: any) => q.header || "")
+                .filter(Boolean)
+                .slice(0, 3)
+
+            const count = questions.length
+            const plural = count > 1 ? "s" : ""
+
+            if (headers.length > 0) {
+                const suffix = count > 3 ? ` (+${count - 3} more)` : ""
+                return `${count} question${plural}: ${headers.join(", ")}${suffix}`
+            }
+            return `${count} question${plural}`
+        }
+        return "question"
+    }
+
     const paramStr = JSON.stringify(parameters)
     if (paramStr === "{}" || paramStr === "[]" || paramStr === "null") {
         return ""

lib/strategies/utils.ts

@@ -62,29 +62,15 @@ export const calculateTokensSaved = (
                 if (part.type !== "tool" || !pruneToolIds.includes(part.callID)) {
                     continue
                 }
-                // For write and edit tools, count input content as that is all we prune for these tools
-                // (input is present in both completed and error states)
-                if (part.tool === "write") {
-                    const inputContent = part.state.input?.content
-                    const content =
-                        typeof inputContent === "string"
-                            ? inputContent
-                            : JSON.stringify(inputContent ?? "")
-                    contents.push(content)
-                    continue
-                }
-                if (part.tool === "edit") {
-                    const oldString = part.state.input?.oldString
-                    const newString = part.state.input?.newString
-                    if (typeof oldString === "string") {
-                        contents.push(oldString)
-                    }
-                    if (typeof newString === "string") {
-                        contents.push(newString)
+                if (part.tool === "question") {
+                    const questions = part.state.input?.questions
+                    if (questions !== undefined) {
+                        const content =
+                            typeof questions === "string" ? questions : JSON.stringify(questions)
+                        contents.push(content)
                     }
                     continue
                 }
-                // For other tools, count output or error based on status
                 if (part.state.status === "completed") {
                     const content =
                         typeof part.state.output === "string"

package.json

@@ -8,7 +8,7 @@
     "types": "./dist/index.d.ts",
     "scripts": {
         "clean": "rm -rf dist",
-        "build": "npm run clean && tsc && cp -r lib/prompts/*.txt lib/prompts/user dist/lib/prompts/",
+        "build": "npm run clean && tsc && cp -r lib/prompts/*.txt lib/prompts/system lib/prompts/nudge dist/lib/prompts/",
         "postbuild": "rm -rf dist/logs",
         "prepublishOnly": "npm run build",
         "dev": "opencode plugin dev",