Thinking: gate xhigh by model

src/tui/commands.ts

@@ -1,6 +1,9 @@
 import type { SlashCommand } from "@mariozechner/pi-tui";
+import {
+  formatThinkingLevels,
+  listThinkingLevels,
+} from "../auto-reply/thinking.js";
 
-const THINK_LEVELS = ["off", "minimal", "low", "medium", "high"];
 const VERBOSE_LEVELS = ["on", "off"];
 const REASONING_LEVELS = ["on", "off"];
 const ELEVATED_LEVELS = ["on", "off"];
@@ -12,6 +15,11 @@ export type ParsedCommand = {
   args: string;
 };
 
+export type SlashCommandOptions = {
+  provider?: string;
+  model?: string;
+};
+
 const COMMAND_ALIASES: Record<string, string> = {
   elev: "elevated",
 };
@@ -27,7 +35,10 @@ export function parseCommand(input: string): ParsedCommand {
   };
 }
 
-export function getSlashCommands(): SlashCommand[] {
+export function getSlashCommands(
+  options: SlashCommandOptions = {},
+): SlashCommand[] {
+  const thinkLevels = listThinkingLevels(options.provider, options.model);
   return [
     { name: "help", description: "Show slash command help" },
     { name: "status", description: "Show gateway status summary" },
@@ -44,9 +55,9 @@ export function getSlashCommands(): SlashCommand[] {
       name: "think",
       description: "Set thinking level",
       getArgumentCompletions: (prefix) =>
-        THINK_LEVELS.filter((v) => v.startsWith(prefix.toLowerCase())).map(
-          (value) => ({ value, label: value }),
-        ),
+        thinkLevels
+          .filter((v) => v.startsWith(prefix.toLowerCase()))
+          .map((value) => ({ value, label: value })),
     },
     {
       name: "verbose",
@@ -105,7 +116,12 @@ export function getSlashCommands(): SlashCommand[] {
   ];
 }
 
-export function helpText(): string {
+export function helpText(options: SlashCommandOptions = {}): string {
+  const thinkLevels = formatThinkingLevels(
+    options.provider,
+    options.model,
+    "|",
+  );
   return [
     "Slash commands:",
     "/help",
@@ -113,7 +129,7 @@ export function helpText(): string {
     "/agent <id> (or /agents)",
     "/session <key> (or /sessions)",
     "/model <provider/model> (or /models)",
-    "/think <off|minimal|low|medium|high>",
+    `/think <${thinkLevels}>`,
     "/verbose <on|off>",
     "/reasoning <on|off>",
     "/cost <on|off>",

src/tui/tui.ts

@@ -7,7 +7,10 @@ import {
   TUI,
 } from "@mariozechner/pi-tui";
 import { resolveDefaultAgentId } from "../agents/agent-scope.js";
-import { normalizeUsageDisplay } from "../auto-reply/thinking.js";
+import {
+  formatThinkingLevels,
+  normalizeUsageDisplay,
+} from "../auto-reply/thinking.js";
 import { loadConfig } from "../config/config.js";
 import { formatAge } from "../infra/provider-summary.js";
 import {
@@ -239,6 +242,18 @@ export async function runTui(opts: TuiOptions) {
   root.addChild(footer);
   root.addChild(editor);
 
+  const updateAutocompleteProvider = () => {
+    editor.setAutocompleteProvider(
+      new CombinedAutocompleteProvider(
+        getSlashCommands({
+          provider: sessionInfo.modelProvider,
+          model: sessionInfo.model,
+        }),
+        process.cwd(),
+      ),
+    );
+  };
+
   const tui = new TUI(new ProcessTerminal());
   tui.addChild(root);
   tui.setFocus(editor);
@@ -524,6 +539,7 @@ export async function runTui(opts: TuiOptions) {
     } catch (err) {
       chatLog.addSystem(`sessions list failed: ${String(err)}`);
     }
+    updateAutocompleteProvider();
     updateFooter();
     tui.requestRender();
   };
@@ -861,7 +877,12 @@ export async function runTui(opts: TuiOptions) {
     if (!name) return;
     switch (name) {
       case "help":
-        chatLog.addSystem(helpText());
+        chatLog.addSystem(
+          helpText({
+            provider: sessionInfo.modelProvider,
+            model: sessionInfo.model,
+          }),
+        );
         break;
       case "status":
         try {
@@ -921,7 +942,12 @@ export async function runTui(opts: TuiOptions) {
         break;
       case "think":
         if (!args) {
-          chatLog.addSystem("usage: /think <off|minimal|low|medium|high>");
+          const levels = formatThinkingLevels(
+            sessionInfo.modelProvider,
+            sessionInfo.model,
+            "|",
+          );
+          chatLog.addSystem(`usage: /think <${levels}>`);
           break;
         }
         try {
@@ -1071,9 +1097,7 @@ export async function runTui(opts: TuiOptions) {
     tui.requestRender();
   };
 
-  editor.setAutocompleteProvider(
-    new CombinedAutocompleteProvider(getSlashCommands(), process.cwd()),
-  );
+  updateAutocompleteProvider();
   editor.onSubmit = (text) => {
     const value = text.trim();
     editor.setText("");