feat: configure ready outreach funnel limit

tests/config.test.ts

@@ -41,6 +41,18 @@ describe('ConfigSchema', () => {
       }
     });
 
+    it('defaults the ready-post limit to 25 and requires a bounded integer', () => {
+      const result = ConfigSchema.safeParse(minimalConfig({ reddit: { subreddits: ['test'] } }));
+      expect(result.success).toBe(true);
+      if (result.success) expect(result.data.reddit.maxReadyCandidates).toBe(25);
+      expect(ConfigSchema.safeParse(minimalConfig({
+        reddit: { subreddits: ['test'], maxReadyCandidates: 0 },
+      })).success).toBe(false);
+      expect(ConfigSchema.safeParse(minimalConfig({
+        reddit: { subreddits: ['test'], maxReadyCandidates: 25.5 },
+      })).success).toBe(false);
+    });
+
     it('applies default tone to subreddits', () => {
       const result = ConfigSchema.safeParse(minimalConfig({ reddit: { subreddits: ['test'] } }));
       expect(result.success).toBe(true);