feat: add opencode local adapter support

packages/adapters/opencode-local/src/ui/build-config.ts

@@ -0,0 +1,74 @@
+import type { CreateConfigValues } from "@paperclipai/adapter-utils";
+import { DEFAULT_OPENCODE_LOCAL_MODEL } from "../index.js";
+
+function parseCommaArgs(value: string): string[] {
+  return value
+    .split(",")
+    .map((item) => item.trim())
+    .filter(Boolean);
+}
+
+function parseEnvVars(text: string): Record<string, string> {
+  const env: Record<string, string> = {};
+  for (const line of text.split(/\r?\n/)) {
+    const trimmed = line.trim();
+    if (!trimmed || trimmed.startsWith("#")) continue;
+    const eq = trimmed.indexOf("=");
+    if (eq <= 0) continue;
+    const key = trimmed.slice(0, eq).trim();
+    const value = trimmed.slice(eq + 1);
+    if (!/^[A-Za-z_][A-Za-z0-9_]*$/.test(key)) continue;
+    env[key] = value;
+  }
+  return env;
+}
+
+function parseEnvBindings(bindings: unknown): Record<string, unknown> {
+  if (typeof bindings !== "object" || bindings === null || Array.isArray(bindings)) return {};
+  const env: Record<string, unknown> = {};
+  for (const [key, raw] of Object.entries(bindings)) {
+    if (!/^[A-Za-z_][A-Za-z0-9_]*$/.test(key)) continue;
+    if (typeof raw === "string") {
+      env[key] = { type: "plain", value: raw };
+      continue;
+    }
+    if (typeof raw !== "object" || raw === null || Array.isArray(raw)) continue;
+    const rec = raw as Record<string, unknown>;
+    if (rec.type === "plain" && typeof rec.value === "string") {
+      env[key] = { type: "plain", value: rec.value };
+      continue;
+    }
+    if (rec.type === "secret_ref" && typeof rec.secretId === "string") {
+      env[key] = {
+        type: "secret_ref",
+        secretId: rec.secretId,
+        ...(typeof rec.version === "number" || rec.version === "latest"
+          ? { version: rec.version }
+          : {}),
+      };
+    }
+  }
+  return env;
+}
+
+export function buildOpenCodeLocalConfig(v: CreateConfigValues): Record<string, unknown> {
+  const ac: Record<string, unknown> = {};
+  if (v.cwd) ac.cwd = v.cwd;
+  if (v.instructionsFilePath) ac.instructionsFilePath = v.instructionsFilePath;
+  if (v.promptTemplate) ac.promptTemplate = v.promptTemplate;
+  ac.model = v.model || DEFAULT_OPENCODE_LOCAL_MODEL;
+  if (v.thinkingEffort) ac.variant = v.thinkingEffort;
+  ac.timeoutSec = 0;
+  ac.graceSec = 15;
+  const env = parseEnvBindings(v.envBindings);
+  const legacy = parseEnvVars(v.envVars);
+  for (const [key, value] of Object.entries(legacy)) {
+    if (!Object.prototype.hasOwnProperty.call(env, key)) {
+      env[key] = { type: "plain", value };
+    }
+  }
+  if (Object.keys(env).length > 0) ac.env = env;
+  if (v.command) ac.command = v.command;
+  if (v.extraArgs) ac.extraArgs = parseCommaArgs(v.extraArgs);
+  return ac;
+}

packages/adapters/opencode-local/src/ui/index.ts

@@ -0,0 +1,2 @@
+export { parseOpenCodeStdoutLine } from "./parse-stdout.js";
+export { buildOpenCodeLocalConfig } from "./build-config.js";

packages/adapters/opencode-local/src/ui/parse-stdout.ts

@@ -0,0 +1,135 @@
+import type { TranscriptEntry } from "@paperclipai/adapter-utils";
+
+function safeJsonParse(text: string): unknown {
+  try {
+    return JSON.parse(text);
+  } catch {
+    return null;
+  }
+}
+
+function asRecord(value: unknown): Record<string, unknown> | null {
+  if (typeof value !== "object" || value === null || Array.isArray(value)) return null;
+  return value as Record<string, unknown>;
+}
+
+function asString(value: unknown, fallback = ""): string {
+  return typeof value === "string" ? value : fallback;
+}
+
+function asNumber(value: unknown, fallback = 0): number {
+  return typeof value === "number" && Number.isFinite(value) ? value : fallback;
+}
+
+function stringifyUnknown(value: unknown): string {
+  if (typeof value === "string") return value;
+  if (value === null || value === undefined) return "";
+  try {
+    return JSON.stringify(value, null, 2);
+  } catch {
+    return String(value);
+  }
+}
+
+export function parseOpenCodeStdoutLine(line: string, ts: string): TranscriptEntry[] {
+  const parsed = asRecord(safeJsonParse(line));
+  if (!parsed) {
+    return [{ kind: "stdout", ts, text: line }];
+  }
+
+  const type = asString(parsed.type);
+
+  if (type === "step_start") {
+    const sessionId = asString(parsed.sessionID);
+    return [
+      {
+        kind: "system",
+        ts,
+        text: `step started${sessionId ? ` (${sessionId})` : ""}`,
+      },
+    ];
+  }
+
+  if (type === "text") {
+    const part = asRecord(parsed.part);
+    const text = asString(part?.text).trim();
+    if (!text) return [];
+    return [{ kind: "assistant", ts, text }];
+  }
+
+  if (type === "tool_use") {
+    const part = asRecord(parsed.part);
+    const toolUseId = asString(part?.callID, asString(part?.id, "tool_use"));
+    const toolName = asString(part?.tool, "tool");
+    const state = asRecord(part?.state);
+    const input = state?.input ?? {};
+    const output = asString(state?.output).trim();
+    const status = asString(state?.status).trim();
+    const exitCode = asNumber(asRecord(state?.metadata)?.exit, NaN);
+    const isError =
+      status === "failed" ||
+      status === "error" ||
+      status === "cancelled" ||
+      (Number.isFinite(exitCode) && exitCode !== 0);
+
+    const entries: TranscriptEntry[] = [
+      {
+        kind: "tool_call",
+        ts,
+        name: toolName,
+        input,
+      },
+    ];
+
+    if (status || output) {
+      const lines: string[] = [];
+      if (status) lines.push(`status: ${status}`);
+      if (Number.isFinite(exitCode)) lines.push(`exit: ${exitCode}`);
+      if (output) {
+        if (lines.length > 0) lines.push("");
+        lines.push(output);
+      }
+      entries.push({
+        kind: "tool_result",
+        ts,
+        toolUseId,
+        content: lines.join("\n").trim() || "tool completed",
+        isError,
+      });
+    }
+
+    return entries;
+  }
+
+  if (type === "step_finish") {
+    const part = asRecord(parsed.part);
+    const tokens = asRecord(part?.tokens);
+    const cache = asRecord(tokens?.cache);
+    const reason = asString(part?.reason);
+    return [
+      {
+        kind: "result",
+        ts,
+        text: reason,
+        inputTokens: asNumber(tokens?.input),
+        outputTokens: asNumber(tokens?.output),
+        cachedTokens: asNumber(cache?.read),
+        costUsd: asNumber(part?.cost),
+        subtype: reason || "step_finish",
+        isError: reason === "error" || reason === "failed",
+        errors: [],
+      },
+    ];
+  }
+
+  if (type === "error") {
+    const message =
+      asString(parsed.message) ||
+      asString(asRecord(parsed.part)?.message) ||
+      stringifyUnknown(parsed.error ?? asRecord(parsed.part)?.error) ||
+      line;
+    return [{ kind: "stderr", ts, text: message }];
+  }
+
+  return [{ kind: "stdout", ts, text: line }];
+}