Add initial llm-bridge project

providers/deepseek.toml

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+# DeepSeek (chat.deepseek.com) provider configuration, driven entirely by this
+# file. Selectors change when the web UI is updated: edit them here (reloaded
+# live), never in the Rust source. Validate with: llm-gateway selftest deepseek
+#
+# The values below combine the public chat.deepseek.com DOM with published
+# selector lists (May 2026). They are a starting point, not a guarantee: run
+# 'llm-gateway selftest deepseek' before relying on them.
+
+[provider]
+name = "deepseek"
+display_name = "DeepSeek"
+web_url = "https://chat.deepseek.com/"
+new_conversation_url = "https://chat.deepseek.com/"
+# Captures the web conversation id from the current URL (one capture group).
+conversation_url_pattern = '^https://chat\.deepseek\.com/a/chat/s/([0-9a-zA-Z-]{8,})'
+default_models = ["deepseek-chat", "deepseek-reasoner"]
+enabled = true
+
+[selectors]
+# The composer is a plain <textarea>. DeepSeek localises its placeholder and the
+# id seen in older builds is gone, so the wording observed on the live page comes
+# first and the older guesses are kept as fallbacks.
+input_field = "textarea#chat-input, textarea[placeholder*='Message DeepSeek'], textarea[placeholder*='Envoyer'], textarea[placeholder*='Send a message'], textarea[placeholder*='message']"
+send_button = "div[role='button'][aria-label='Send'], button[aria-label='Send message'], button[data-testid='send-button']"
+# The answer body is rendered by the "ds-markdown" component; the attribute
+# first variant mirrors the ChatGPT markup.
+response_container = "div[data-message-author-role='assistant'], div.ds-markdown, div[class*='markdown-body']"
+streaming_indicator = "div[role='button'][aria-label*='Stop'], button[aria-label*='Stop'], div[class*='_stop']"
+file_input = "input[type='file']"
+new_chat_button = "a[href='/'], div[class*='new-chat'], button[aria-label='New chat']"
+login_page_indicator = "div[class*='ds-modal'], a[href*='sign_in'], button[data-testid='login-button']"
+captcha_indicator = "iframe[src*='captcha'], div[class*='captcha'], div#challenge-form"
+error_banner = "[role='alert'], div[class*='ds-toast'], div[class*='error']"
+# Relative to the answer node: the toolbar button that copies the answer.
+copy_button = "[aria-label='Copy'], [data-testid='copy-button'], div[class*='ds-icon-button'][role='button']"
+
+[login]
+url_patterns = ["/sign_in", "/login", "account.deepseek.com"]
+text_patterns = ["log in", "sign in", "log in with google", "se connecter"]
+
+[rate_limit]
+text_patterns = [
+  "too many requests",
+  "rate limit",
+  "please try again later",
+  "请求过于频繁",
+  "服务器繁忙",
+  "trop de requêtes",
+]
+
+[timeouts]
+page_load = 30
+response_generation = 120
+# DeepSeek R1 reasons for a long time before answering: keep a generous budget.
+response_timeout = 300
+
+[input]
+poll_interval_ms = 400
+quiet_ms = 1500
+inject_method = "auto"
+
+[options]
+supports_images = true
+supports_streaming = true
+supports_new_chat = true
+
+# Multi-account: each account is a separate browser profile. Address them with
+# model = "deepseek@perso".
+#
+# [[accounts]]
+# id = "perso"
+# email = "[email protected]"
+# default = true