enhance pi configuration and skills

pi/extensions/openai-server-compaction/config.ts

@@ -0,0 +1,59 @@
+/**
+ * Configuration loading for the extension.
+ *
+ * Reads global/project JSON config files plus environment overrides and exposes
+ * a normalized, fully-populated runtime config object.
+ */
+import { existsSync, readFileSync } from "node:fs";
+import { homedir } from "node:os";
+import { join } from "node:path";
+
+export type JsonRecord = Record<string, unknown>;
+
+export type ExtensionConfig = {
+  enabled?: boolean;
+  notify?: boolean;
+};
+
+export function isRecord(value: unknown): value is JsonRecord {
+  return typeof value === "object" && value !== null && !Array.isArray(value);
+}
+
+function readJsonFile(path: string): JsonRecord | undefined {
+  if (!existsSync(path)) return undefined;
+  try {
+    const parsed = JSON.parse(readFileSync(path, "utf8"));
+    return isRecord(parsed) ? parsed : undefined;
+  } catch {
+    return undefined;
+  }
+}
+
+function toBoolean(value: unknown): boolean | undefined {
+  if (typeof value === "boolean") return value;
+  if (typeof value === "number") return value !== 0;
+  if (typeof value !== "string") return undefined;
+  const normalized = value.trim().toLowerCase();
+  if (["1", "true", "yes", "on"].includes(normalized)) return true;
+  if (["0", "false", "no", "off"].includes(normalized)) return false;
+  return undefined;
+}
+
+export function loadConfig(cwd: string): Required<ExtensionConfig> {
+  const globalPath = join(homedir(), ".pi", "agent", "openai-server-compaction.json");
+  const projectPath = join(cwd, ".pi", "openai-server-compaction.json");
+  const globalCfg = readJsonFile(globalPath) ?? {};
+  const projectCfg = readJsonFile(projectPath) ?? {};
+  const merged = { ...globalCfg, ...projectCfg };
+
+  return {
+    enabled:
+      toBoolean(process.env.PI_OPENAI_SERVER_COMPACTION_ENABLED) ??
+      toBoolean(merged.enabled) ??
+      true,
+    notify:
+      toBoolean(process.env.PI_OPENAI_SERVER_COMPACTION_NOTIFY) ??
+      toBoolean(merged.notify) ??
+      false,
+  };
+}