refactor(config): purge numeric tuning knobs behind built-in defaults (#111382)

scripts/e2e/lib/config-reload/mutate-metadata.mjs

@@ -1,7 +1,7 @@
-// Mutates plugin metadata fixtures for config reload E2E scenarios.
+// Mutates display metadata for config reload E2E scenarios.
 import fs from "node:fs";
 
 const configPath = process.env.OPENCLAW_CONFIG_PATH;
 const config = JSON.parse(fs.readFileSync(configPath, "utf8"));
-config.gateway.channelHealthCheckMinutes = 2;
+config.ui.seamColor = "#ff6600";
 fs.writeFileSync(configPath, `${JSON.stringify(config, null, 2)}\n`, "utf8");

scripts/e2e/lib/fixtures/config.mjs

@@ -15,10 +15,10 @@ function writeConfig(kind) {
               mode: "token",
               token: { source: "env", provider: "default", id: "GATEWAY_AUTH_TOKEN_REF" },
             },
-            channelHealthCheckMinutes: 1,
             controlUi: { enabled: false },
-            reload: { mode: "hybrid", debounceMs: 0 },
+            reload: { mode: "hybrid" },
           },
+          ui: { seamColor: "#ff4500" },
         }
       : kind === "browser-cdp"
         ? {

scripts/plugin-sdk-surface-report.mjs

@@ -290,7 +290,8 @@ export function readPluginSdkSurfaceBudgets(env = process.env) {
       // channel-outbound and its two compatibility barrels.
       // Net +1: public session catalog locator types after the protocol cleanup harvest.
       // +2: lifecycle-owned prepared model catalog sync and async readers.
-      8192,
+      // Harvest: retired tuning-knob config types -10.
+      8182,
       env,
     ),
     publicFunctionExports: readPluginSdkSurfaceBudgetEnv(