CLI: streamline startup paths and env parsing

Add shared parseBooleanValue()/isTruthyEnvValue() and apply across CLI, gateway, memory, and live-test flags for consistent env handling.
Introduce route-first fast paths, lazy subcommand registration, and deferred plugin loading to reduce CLI startup overhead.
Centralize config validation via ensureConfigReady() and add config caching/deferred shell env fallback for fewer IO passes.
Harden logger initialization/imports and add focused tests for argv, boolean parsing, frontmatter, and CLI subcommands.

src/agents/skills/frontmatter.test.ts

@@ -0,0 +1,20 @@
+import { describe, expect, it } from "vitest";
+
+import { resolveSkillInvocationPolicy } from "./frontmatter.js";
+
+describe("resolveSkillInvocationPolicy", () => {
+  it("defaults to enabled behaviors", () => {
+    const policy = resolveSkillInvocationPolicy({});
+    expect(policy.userInvocable).toBe(true);
+    expect(policy.disableModelInvocation).toBe(false);
+  });
+
+  it("parses frontmatter boolean strings", () => {
+    const policy = resolveSkillInvocationPolicy({
+      "user-invocable": "no",
+      "disable-model-invocation": "yes",
+    });
+    expect(policy.userInvocable).toBe(false);
+    expect(policy.disableModelInvocation).toBe(true);
+  });
+});

src/agents/skills/frontmatter.ts

@@ -2,6 +2,7 @@ import JSON5 from "json5";
 import type { Skill } from "@mariozechner/pi-coding-agent";
 
 import { parseFrontmatterBlock } from "../../markdown/frontmatter.js";
+import { parseBooleanValue } from "../../utils/boolean.js";
 import type {
   ClawdbotSkillMetadata,
   ParsedSkillFrontmatter,
@@ -59,16 +60,8 @@ function getFrontmatterValue(frontmatter: ParsedSkillFrontmatter, key: string):
 }
 
 function parseFrontmatterBool(value: string | undefined, fallback: boolean): boolean {
-  if (!value) return fallback;
-  const normalized = value.trim().toLowerCase();
-  if (!normalized) return fallback;
-  if (normalized === "true" || normalized === "1" || normalized === "yes" || normalized === "on") {
-    return true;
-  }
-  if (normalized === "false" || normalized === "0" || normalized === "no" || normalized === "off") {
-    return false;
-  }
-  return fallback;
+  const parsed = parseBooleanValue(value);
+  return parsed === undefined ? fallback : parsed;
 }
 
 export function resolveClawdbotMetadata(