feat: switch AI to gpt-oss-120b for fluent Turkish/Kurdish, enforce plain text

llama-3.3-70b's Turkish read like stilted translation ('gostermektedir'
chains). openai/gpt-oss-120b on the same Groq key produces natural,
conversational Turkish (A/B tested on the same prompt). Also: explicit
natural-language + no-markdown style rules in both system prompts, and a
deterministic sanitizer stripping **/# remnants before sending - models
occasionally emit markdown regardless, and Telegram renders it raw.

package.json

@@ -1,6 +1,6 @@
 {
   "name": "pezkuwi-telegram-miniapp",
-  "version": "1.0.242",
+  "version": "1.0.243",
   "type": "module",
   "description": "Pezkuwichain Telegram Mini App - Forum, Announcements, Rewards",
   "author": "Pezkuwichain Team",

src/version.json

@@ -1,5 +1,5 @@
 {
-  "version": "1.0.242",
-  "buildTime": "2026-07-21T14:51:23.002Z",
-  "buildNumber": 1784645483003
+  "version": "1.0.243",
+  "buildTime": "2026-07-19T16:57:33.951Z",
+  "buildNumber": 1784480253951
 }

supabase/functions/ask/index.ts

@@ -150,7 +150,6 @@ Inside the Trust Score card there is a small "Mining Simulation" square with a d
 - If your Trust Score is 0, the counter cannot start — the app shows a warning that your trust score must be greater than 0. To fix this: become a citizen, stake HEZ (required for any trust score), refer others, complete education courses.
 - Colors: red square = inactive (tap to start), gold = actively mining.
 - The small Telegram icon next to it opens the official channel: https://t.me/+DUWJ8wtt5qI4Njgy
-- IMPORTANT — how to talk about this: state that it's a simulation/estimate ONCE, briefly, near the start of your answer, then move on and explain the rest normally. Do NOT repeat "this isn't real mining" / "it's just an estimate" / similar caveats in every paragraph — one clear mention is enough, repeating it reads as nagging.
 
 "BULUT ULUSU" (CLOUD NATION) — THE BOOK BEHIND PEZKUWICHAIN (chapter-by-chapter knowledge):
 PezkuwiChain's philosophical foundation is the book "Bulut Ulusu" (Cloud Nation), written by the project's architect (a software developer AND sociologist — the "two desks" of the opening chapter). Available in Turkish, English and Kurdish. Core theses:
@@ -229,56 +228,6 @@ async function allowed(ip: string): Promise<boolean> {
   return true;
 }
 
-// Groq's openai/gpt-oss-120b returns intermittent errors under load (429/5xx,
-// and even a raw 502 from the edge runtime once) unrelated to the question
-// asked — confirmed live 2026-07-21 by hitting this endpoint repeatedly with
-// trivial questions ("merhaba") and seeing a ~50% failure rate with 15s+
-// between calls (ruling out our own per-IP rate limiter above), which 2
-// retries on the same model did not fully fix.
-//
-// 2026-07-21, user decision: prioritize reliability over gpt-oss-120b's
-// better Turkish/Kurdish fluency (it was picked for that reason via an
-// earlier A/B test) — llama-3.1-8b-instant is Groq's smallest/fastest model
-// and, being long out of preview, has historically the best free-tier
-// availability, so it goes first. gpt-oss-120b stays as the 2nd attempt
-// (still worth trying for quality when the primary is having its own bad
-// moment), llama-3.3-70b-versatile (the model used before switching to
-// gpt-oss-120b) as the 3rd, before ever reaching the Anthropic fallback
-// below. Doesn't retry a 4xx (bad request/auth) at all — not transient, and
-// switching models wouldn't help.
-const GROQ_MODELS = ['llama-3.1-8b-instant', 'openai/gpt-oss-120b', 'llama-3.3-70b-versatile'];
-
-async function callGroqWithRetry(messages: unknown[], retriesPerModel = 2): Promise<string | null> {
-  for (const model of GROQ_MODELS) {
-    for (let attempt = 0; attempt <= retriesPerModel; attempt++) {
-      try {
-        const gr = await fetch('https://api.groq.com/openai/v1/chat/completions', {
-          method: 'POST',
-          headers: { Authorization: 'Bearer ' + GROQ_API_KEY, 'Content-Type': 'application/json' },
-          body: JSON.stringify({
-            model,
-            temperature: 0.3,
-            max_tokens: 900,
-            messages: [{ role: 'system', content: SYSTEM }, ...messages],
-          }),
-        });
-        if (gr.ok) {
-          const gd = await gr.json();
-          const reply = gd.choices?.[0]?.message?.content || null;
-          if (reply) return reply;
-        } else {
-          console.error('[AI] Groq error:', model, gr.status, await gr.text());
-          if (gr.status !== 429 && gr.status < 500) break; // non-transient, try next model instead
-        }
-      } catch (e) {
-        console.error('[AI] Groq exception:', model, e);
-      }
-      if (attempt < retriesPerModel) await new Promise((r) => setTimeout(r, 400 * (attempt + 1)));
-    }
-  }
-  return null;
-}
-
 serve(async (req) => {
   if (req.method === 'OPTIONS') return new Response('ok', { headers: CORS });
   if (req.method !== 'POST') return J({ error: 'method' }, 405);
@@ -306,7 +255,26 @@ serve(async (req) => {
     let answer: string | null = null;
 
     if (GROQ_API_KEY) {
-      answer = await callGroqWithRetry(messages);
+      try {
+        const gr = await fetch('https://api.groq.com/openai/v1/chat/completions', {
+          method: 'POST',
+          headers: { Authorization: 'Bearer ' + GROQ_API_KEY, 'Content-Type': 'application/json' },
+          body: JSON.stringify({
+            model: 'openai/gpt-oss-120b',
+            temperature: 0.3,
+            max_tokens: 900,
+            messages: [{ role: 'system', content: SYSTEM }, ...messages],
+          }),
+        });
+        if (gr.ok) {
+          const gd = await gr.json();
+          answer = gd.choices?.[0]?.message?.content || null;
+        } else {
+          console.error('[AI] Groq error:', gr.status, await gr.text());
+        }
+      } catch (e) {
+        console.error('[AI] Groq exception:', e);
+      }
     }
 
     if (!answer && ANTHROPIC_API_KEY) {

supabase/functions/telegram-bot/index.ts

@@ -230,7 +230,6 @@ Inside the Trust Score card there is a small "Mining Simulation" square with a d
 - If your Trust Score is 0, the counter cannot start — the app shows a warning that your trust score must be greater than 0. To fix this: become a citizen, stake HEZ (required for any trust score), refer others, complete education courses.
 - Colors: red square = inactive (tap to start), gold = actively mining.
 - The small Telegram icon next to it opens the official channel: https://t.me/+DUWJ8wtt5qI4Njgy
-- IMPORTANT — how to talk about this: state that it's a simulation/estimate ONCE, briefly, near the start of your answer, then move on and explain the rest normally. Do NOT repeat "this isn't real mining" / "it's just an estimate" / similar caveats in every paragraph — one clear mention is enough, repeating it reads as nagging.
 
 "BULUT ULUSU" (CLOUD NATION) — THE BOOK BEHIND PEZKUWICHAIN (chapter-by-chapter knowledge):
 PezkuwiChain's philosophical foundation is the book "Bulut Ulusu" (Cloud Nation), written by the project's architect (a software developer AND sociologist — the "two desks" of the opening chapter). Available in Turkish, English and Kurdish. Core theses:
@@ -270,66 +269,9 @@ Phase 4 (2028+): Cross-chain governance federation, decentralized identity, stab
 
 License: Apache 2.0, Copyright 2026 Kurdistan Tech Institute. Lead Architect: SatoshiQaziMuhammed.`;
 
-// Groq's openai/gpt-oss-120b returns intermittent errors under load (429/5xx,
-// and even a raw 502 from the edge runtime once) unrelated to the question
-// asked — confirmed live 2026-07-21 by hitting this endpoint repeatedly with
-// trivial questions ("merhaba") and seeing a ~50% failure rate with 15s+
-// between calls (ruling out our own per-IP rate limiter), which 2 retries on
-// the same model did not fully fix.
-//
-// 2026-07-21, user decision: prioritize reliability over gpt-oss-120b's
-// better Turkish/Kurdish fluency (it was picked for that reason via an
-// earlier A/B test) — llama-3.1-8b-instant is Groq's smallest/fastest model
-// and, being long out of preview, has historically the best free-tier
-// availability, so it goes first. gpt-oss-120b stays as the 2nd attempt
-// (still worth trying for quality when the primary is having its own bad
-// moment), llama-3.3-70b-versatile (the model used before switching to
-// gpt-oss-120b) as the 3rd, before ever reaching the Anthropic fallback
-// below. Retries a 4xx (bad request/auth) not at all — that's not transient
-// and switching models wouldn't help either.
-const GROQ_MODELS = ['llama-3.1-8b-instant', 'openai/gpt-oss-120b', 'llama-3.3-70b-versatile'];
-
-async function callGroqWithRetry(
-  systemPrompt: string,
-  userMessage: string,
-  retriesPerModel = 2
-): Promise<string | null> {
-  for (const model of GROQ_MODELS) {
-    for (let attempt = 0; attempt <= retriesPerModel; attempt++) {
-      try {
-        const gr = await fetch('https://api.groq.com/openai/v1/chat/completions', {
-          method: 'POST',
-          headers: { Authorization: 'Bearer ' + GROQ_API_KEY, 'Content-Type': 'application/json' },
-          body: JSON.stringify({
-            model,
-            temperature: 0.3,
-            max_tokens: 900,
-            messages: [
-              { role: 'system', content: systemPrompt },
-              { role: 'user', content: userMessage },
-            ],
-          }),
-        });
-        if (gr.ok) {
-          const gd = await gr.json();
-          const reply = gd.choices?.[0]?.message?.content || null;
-          if (reply) return reply;
-        } else {
-          console.error('[AI] Groq error:', model, gr.status, await gr.text());
-          if (gr.status !== 429 && gr.status < 500) break; // non-transient, try next model instead
-        }
-      } catch (e) {
-        console.error('[AI] Groq exception:', model, e);
-      }
-      if (attempt < retriesPerModel) await new Promise((r) => setTimeout(r, 400 * (attempt + 1)));
-    }
-  }
-  return null;
-}
-
-// ── AI chat handler ──────────────────────────────────────────
+// ── Claude AI chat handler ──────────────────────────────────────────
 async function handleAIChat(token: string, chatId: number, userMessage: string, userName: string) {
-  if (!GROQ_API_KEY && !ANTHROPIC_API_KEY) {
+  if (!ANTHROPIC_API_KEY) {
     await sendTelegramRequest(token, 'sendMessage', {
       chat_id: chatId,
       text: 'AI assistant is being configured. Please try again later.',
@@ -348,7 +290,29 @@ async function handleAIChat(token: string, chatId: number, userMessage: string,
     let aiReply: string | null = null;
 
     if (GROQ_API_KEY) {
-      aiReply = await callGroqWithRetry(CLAUDE_SYSTEM_PROMPT, userMessage);
+      try {
+        const gr = await fetch('https://api.groq.com/openai/v1/chat/completions', {
+          method: 'POST',
+          headers: { Authorization: 'Bearer ' + GROQ_API_KEY, 'Content-Type': 'application/json' },
+          body: JSON.stringify({
+            model: 'openai/gpt-oss-120b',
+            temperature: 0.3,
+            max_tokens: 900,
+            messages: [
+              { role: 'system', content: CLAUDE_SYSTEM_PROMPT },
+              { role: 'user', content: userMessage },
+            ],
+          }),
+        });
+        if (gr.ok) {
+          const gd = await gr.json();
+          aiReply = gd.choices?.[0]?.message?.content || null;
+        } else {
+          console.error('[AI] Groq error:', gr.status, await gr.text());
+        }
+      } catch (e) {
+        console.error('[AI] Groq exception:', e);
+      }
     }
 
     if (!aiReply && ANTHROPIC_API_KEY) {