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feat(backend): switch AI provider from Anthropic to GigaChat (Sber) — OAuth token caching, callAI dispatch
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wasrusgen
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commit
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backend/Code.gs
113
backend/Code.gs
@ -11,8 +11,9 @@
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*
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* Script Properties (Project Settings → Script Properties):
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* BOT_TOKEN — токен Telegram-бота (для проверки initData и отправки уведомлений)
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* ANTHROPIC_API_KEY — ключ Claude API
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* ANTHROPIC_MODEL — опционально, модель (default: claude-haiku-4-5-20251001)
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* GIGACHAT_AUTH_KEY — Authorization key из кабинета developers.sber.ru (Base64 client_id:client_secret)
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* GIGACHAT_MODEL — опционально, модель (default: GigaChat-Pro)
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* GIGACHAT_SCOPE — опционально, scope (default: GIGACHAT_API_PERS)
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* ADMIN_TG_ID — tg_id куратора, кому слать алерты об ошибках
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*/
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@ -259,7 +260,7 @@ function handlePodbor(body) {
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// Build prompt and call Claude
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const measurement = measurementId ? getMeasurement(measurementId) : null;
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const prompt = buildPickerPrompt(checklist, measurement, clientName);
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const ai = callClaude(prompt);
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const ai = callAI(prompt);
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// Update lead row with AI response
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updateLeadAI(id, ai);
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@ -459,7 +460,7 @@ function updateLeadAI(leadId, ai) {
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for (let i = 1; i < data.length; i++) {
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if (data[i][0] === leadId) {
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const props = PropertiesService.getScriptProperties();
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const model = props.getProperty("ANTHROPIC_MODEL") || "claude-haiku-4-5-20251001";
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const model = props.getProperty("GIGACHAT_MODEL") || "GigaChat-Pro";
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s.getRange(i + 1, 8).setValue(JSON.stringify(ai.json || ai.text || ""));
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s.getRange(i + 1, 9).setValue(model);
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s.getRange(i + 1, 10).setValue(ai.tokens || 0);
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@ -544,26 +545,82 @@ function buildPickerPrompt(checklist, measurement, clientName) {
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return "Подбери технику для следующего клиента:\n\n" + JSON.stringify(payload, null, 2);
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}
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function callClaude(userPrompt) {
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// =================================================================
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// GigaChat (Sber) — primary AI provider
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// =================================================================
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/**
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* Получает access_token GigaChat. Кеширует в CacheService на 25 минут
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* (токен живёт 30 минут — оставляем 5 минут запаса).
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*/
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function getGigaChatToken() {
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const cache = CacheService.getScriptCache();
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const cached = cache.get("gigachat_token");
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if (cached) return cached;
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const props = PropertiesService.getScriptProperties();
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const apiKey = props.getProperty("ANTHROPIC_API_KEY");
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if (!apiKey) throw new Error("ANTHROPIC_API_KEY not in Script Properties");
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// Стабильное имя без даты — Anthropic сам резолвит до свежего снапшота
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const model = props.getProperty("ANTHROPIC_MODEL") || "claude-haiku-4-5";
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const authKey = props.getProperty("GIGACHAT_AUTH_KEY");
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if (!authKey) throw new Error("GIGACHAT_AUTH_KEY not in Script Properties");
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const scope = props.getProperty("GIGACHAT_SCOPE") || "GIGACHAT_API_PERS";
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const res = UrlFetchApp.fetch("https://ngw.devices.sberbank.ru:9443/api/v2/oauth", {
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method: "post",
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headers: {
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"Authorization": "Basic " + authKey,
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"RqUID": Utilities.getUuid(),
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"Accept": "application/json",
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},
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contentType: "application/x-www-form-urlencoded",
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payload: "scope=" + encodeURIComponent(scope),
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muteHttpExceptions: true,
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});
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const status = res.getResponseCode();
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const text = res.getContentText();
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if (status >= 400) {
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log("gigachat_auth_error", null, { status, text: text.slice(0, 400) });
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throw new Error("GigaChat auth HTTP " + status + ": " + text.slice(0, 300));
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}
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const data = JSON.parse(text);
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const token = data.access_token || data.tok;
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if (!token) throw new Error("No access_token in GigaChat response: " + text.slice(0, 300));
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cache.put("gigachat_token", token, 1500); // 25 минут
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return token;
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}
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/**
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* Вызов AI (GigaChat Chat Completions). Возвращает { json, text, tokens, error? }.
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*/
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function callAI(userPrompt) {
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const props = PropertiesService.getScriptProperties();
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const model = props.getProperty("GIGACHAT_MODEL") || "GigaChat-Pro";
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const temperature = parseFloat(getSetting("AI_TEMPERATURE") || "0.3");
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let token;
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try {
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token = getGigaChatToken();
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} catch (e) {
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return { json: null, text: "AI auth: " + e.message, tokens: 0, error: true };
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}
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const payload = {
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model,
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max_tokens: 4000,
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temperature,
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system: SYSTEM_PROMPT_PICKER,
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messages: [{ role: "user", content: userPrompt }],
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max_tokens: 4000,
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messages: [
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{ role: "system", content: SYSTEM_PROMPT_PICKER },
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{ role: "user", content: userPrompt },
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],
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};
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const res = UrlFetchApp.fetch("https://api.anthropic.com/v1/messages", {
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const res = UrlFetchApp.fetch("https://gigachat.devices.sberbank.ru/api/v1/chat/completions", {
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method: "post",
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headers: {
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"Authorization": "Bearer " + token,
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"Accept": "application/json",
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},
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contentType: "application/json",
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headers: { "x-api-key": apiKey, "anthropic-version": "2023-06-01" },
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payload: JSON.stringify(payload),
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muteHttpExceptions: true,
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});
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@ -571,20 +628,27 @@ function callClaude(userPrompt) {
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const status = res.getResponseCode();
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const text = res.getContentText();
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if (status >= 400) {
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log("claude_error", null, { status, model, text: text.slice(0, 500) });
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// Surface the actual Anthropic error so we can debug from /api/test_claude
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log("gigachat_error", null, { status, model, text: text.slice(0, 500) });
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let errMsg = text.slice(0, 300);
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try {
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const j = JSON.parse(text);
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errMsg = (j.error && j.error.message) || errMsg;
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errMsg = (j.message) || (j.error && j.error.message) || errMsg;
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} catch (e) {}
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return { json: null, text: "AI ошибка HTTP " + status + " (" + model + "): " + errMsg, tokens: 0, error: true };
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}
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const data = JSON.parse(text);
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const responseText = (data.content || []).map(c => c.text || "").join("");
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const tokens = (data.usage && (data.usage.input_tokens + data.usage.output_tokens)) || 0;
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const choice = (data.choices && data.choices[0]) || {};
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const responseText = (choice.message && choice.message.content) || "";
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const tokens = (data.usage && data.usage.total_tokens) || 0;
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// Иногда модель оборачивает JSON в ```json ... ```
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let json = null;
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try { json = JSON.parse(responseText); } catch (e) {}
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try { json = JSON.parse(responseText); } catch (e) {
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const stripped = responseText.replace(/^```(?:json)?\s*/i, "").replace(/\s*```\s*$/, "").trim();
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try { json = JSON.parse(stripped); } catch (e2) {}
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}
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return { json, text: responseText, tokens };
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}
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@ -702,9 +766,12 @@ function seedAdminAsManager() {
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}
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/** Тестовый прогон Claude API: проверяет что ключ работает. */
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function testClaude() {
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const ai = callClaude("Скажи одной фразой: что за фабрика ЗОВ?");
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return { ok: !ai.error, response_text: (ai.text || "").slice(0, 500), tokens: ai.tokens, model: PropertiesService.getScriptProperties().getProperty("ANTHROPIC_MODEL") || "claude-haiku-4-5-20251001" };
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function testClaude() { return testAI(); } // legacy alias
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function testAI() {
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const ai = callAI("Скажи одной фразой: что за фабрика ЗОВ?");
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const model = PropertiesService.getScriptProperties().getProperty("GIGACHAT_MODEL") || "GigaChat-Pro";
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return { ok: !ai.error, provider: "GigaChat", model, response_text: (ai.text || "").slice(0, 500), tokens: ai.tokens };
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}
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/** Тест отправки сообщения через бота — пришлёт админу «привет». */
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