KBA — Kernel Browser Automation

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\"deleted\" : \"active\",\n live_view_url: b.browser_live_view_url ?? null,\n cdp_ws_url: b.cdp_ws_url,\n headless: b.headless,\n stealth: b.stealth,\n created_at: b.created_at,\n }));\n return json({ ok: true, sessions });\n } catch (e) {\n return json({ ok: false, error: (e as Error).message }, 500);\n }\n }\n\n // ── API: POST /api/sessions ────────────────────────────\n if (req.method === \"POST\" && path === \"/api/sessions\") {\n let body: Record = {};\n try { body = await req.json(); } catch { /* ok */ }\n try {\n const b = await createBrowser({\n headless: (body.headless as boolean) ?? false,\n stealth: (body.stealth as boolean) ?? true,\n timeout_seconds: (body.timeout_seconds as number) ?? 3600,\n });\n return json({\n ok: true,\n session: {\n id: b.session_id,\n session_id: b.session_id,\n status: \"active\",\n live_view_url: b.browser_live_view_url ?? null,\n cdp_ws_url: b.cdp_ws_url,\n headless: b.headless,\n stealth: b.stealth,\n created_at: b.created_at,\n }\n });\n } catch (e) {\n return json({ ok: false, error: (e as Error).message }, 500);\n }\n }\n\n // ── API: GET /api/sessions/:id ─────────────────────────\n const sessionIdMatch = path.match(/^\\/api\\/sessions\\/([^/]+)$/);\n if (req.method === \"GET\" && sessionIdMatch) {\n try {\n const b = await getBrowser(sessionIdMatch[1]);\n return json({ ok: true, session: { id: b.session_id, ...b } });\n } catch (e) {\n return json({ ok: false, error: (e as Error).message }, 404);\n }\n }\n\n // ── API: DELETE /api/sessions/:id ─────────────────────\n if (req.method === \"DELETE\" && sessionIdMatch) {\n try {\n await deleteBrowser(sessionIdMatch![1]);\n return json({ ok: true });\n } catch (e) {\n return json({ ok: false, error: (e as Error).message }, 500);\n }\n }\n\n // ── API: GET /api/profiles ─────────────────────────────\n if (req.method === \"GET\" && path === \"/api/profiles\") {\n try {\n const profiles = await listProfiles();\n return json({ ok: true, profiles });\n } catch (e) {\n return json({ ok: false, error: (e as Error).message }, 500);\n }\n }\n\n // ── API: POST /api/profiles ────────────────────────────\n if (req.method === \"POST\" && path === \"/api/profiles\") {\n let body: Record = {};\n try { body = await req.json(); } catch { /* ok */ }\n try {\n const profile = await createProfile((body.name as string) ?? \"kba-\" + Date.now());\n return json({ ok: true, profile });\n } catch (e) {\n return json({ ok: false, error: (e as Error).message }, 500);\n }\n }\n\n // ── API: POST /api/playwright ──────────────────────────\n if (req.method === \"POST\" && path === \"/api/playwright\") {\n let body: Record = {};\n try { body = await req.json(); } catch { /* ok */ }\n const sid = body.session_id as string;\n const code = body.code as string;\n if (!sid) return json({ ok: false, error: \"session_id required\" }, 400);\n if (!code) return json({ ok: false, error: \"code required\" }, 400);\n const result = await runPlaywright(sid, code, (body.timeout_sec as number) ?? 60);\n return json({ ok: result.success, ...result });\n }\n\n // ── API: GET /api/screenshot/:sid ─────────────────────\n const scMatch = path.match(/^\\/api\\/screenshot\\/([^/]+)$/);\n if (req.method === \"GET\" && scMatch) {\n try {\n const b64 = await takeScreenshot(scMatch[1]);\n return new Response(\n `\n

\n `,\n { headers: { \"Content-Type\": \"text/html\", \"Cache-Control\": \"no-store\" } }\n );\n } catch (e) {\n return json({ ok: false, error: (e as Error).message }, 500);\n }\n }\n\n // ── API: POST /api/execute ─────────────────────────────\n // Called by runBlock() in the UI for each flow block\n if (req.method === \"POST\" && path === \"/api/execute\") {\n let body: Record = {};\n try { body = await req.json(); } catch { /* ok */ }\n const blockType = body.block_type as string;\n const blockParams = (body.block_params as Record) ?? {};\n const browserId = body.browser_id as string | undefined;\n const currentUrl = body.current_url as string | undefined;\n const previousVariables = (body.variables as Record) ?? {};\n if (!blockType) return json({ ok: false, error: \"block_type required\" }, 400);\n try {\n const result = await executeBlock(blockType, blockParams, {\n browserId,\n currentUrl,\n previousVariables,\n });\n return json({ ok: result.success, ...result });\n } catch (e) {\n return json({ ok: false, error: (e as Error).message, success: false }, 500);\n }\n }\n\n // ── UI: serve HTML for all other GET requests ──────────\n const html = buildHTML();\n return new Response(html, {\n headers: {\n \"Content-Type\": \"text/html;charset=utf-8\",\n \"Cache-Control\": \"no-store, no-cache, must-revalidate\",\n \"Pragma\": \"no-cache\",\n },\n });\n}\n\nfunction buildHTML(): string {\n return `\n\n\n\n\nKBA — Kernel Browser Automation\n\n\n\n\n\n

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Drag blocks here to build your flow

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\n\n\n\n`;\n}\n","// ============================================================\n// KBA — ui.ts | HTTP handler: UI + API routes\n// Tất cả route /api/* và / đều được xử lý tại đây\n// ============================================================\n\nimport {\n createBrowser,\n listBrowsers,\n getBrowser,\n deleteBrowser,\n runPlaywright,\n takeScreenshot,\n listProfiles,\n createProfile,\n type KernelBrowser,\n} from \"./kernelClient.ts\";\nimport { executeBlock } from \"./blockExecutor.ts\";\n\nconst CORS_HEADERS = {\n \"Access-Control-Allow-Origin\": \"*\",\n \"Access-Control-Allow-Methods\": \"GET, POST, DELETE, OPTIONS\",\n \"Access-Control-Allow-Headers\": \"Content-Type, Authorization\",\n \"Cache-Control\": \"no-store\",\n};\n\nfunction json(data: unknown, status = 200): Response {\n return new Response(JSON.stringify(data), {\n status,\n headers: { \"Content-Type\": \"application/json\", ...CORS_HEADERS },\n });\n}\n\nexport default async function handler(req: Request): Promise {\n const url = new URL(req.url);\n const path = url.pathname;\n\n // CORS preflight\n if (req.method === \"OPTIONS\") {\n return new Response(null, { status: 204, headers: CORS_HEADERS });\n }\n\n // ── API: GET /api/health ───────────────────────────────\n if (path === \"/api/health\") {\n return json({\n ok: true,\n kernel_key: !!Deno.env.get(\"KERNEL_API_KEY\"),\n ts: new Date().toISOString(),\n });\n }\n\n // ── API: GET /api/sessions ─────────────────────────────\n if (req.method === \"GET\" && path === \"/api/sessions\") {\n try {\n const browsers = await listBrowsers();\n // Normalize: trả về sessions với field nhất quán cho UI\n const sessions = browsers.map(b => ({\n id: b.session_id,\n session_id: b.session_id,\n status: b.deleted_at ? \"deleted\" : \"active\",\n live_view_url: b.browser_live_view_url ?? null,\n cdp_ws_url: b.cdp_ws_url,\n headless: b.headless,\n stealth: b.stealth,\n created_at: b.created_at,\n }));\n return json({ ok: true, sessions });\n } catch (e) {\n return json({ ok: false, error: (e as Error).message }, 500);\n }\n }\n\n // ── API: POST /api/sessions ────────────────────────────\n if (req.method === \"POST\" && path === \"/api/sessions\") {\n let body: Record = {};\n try { body = await req.json(); } catch { /* ok */ }\n try {\n const b = await createBrowser({\n headless: (body.headless as boolean) ?? false,\n stealth: (body.stealth as boolean) ?? true,\n timeout_seconds: (body.timeout_seconds as number) ?? 3600,\n });\n return json({\n ok: true,\n session: {\n id: b.session_id,\n session_id: b.session_id,\n status: \"active\",\n live_view_url: b.browser_live_view_url ?? null,\n cdp_ws_url: b.cdp_ws_url,\n headless: b.headless,\n stealth: b.stealth,\n created_at: b.created_at,\n }\n });\n } catch (e) {\n return json({ ok: false, error: (e as Error).message }, 500);\n }\n }\n\n // ── API: GET /api/sessions/:id ─────────────────────────\n const sessionIdMatch = path.match(/^\\/api\\/sessions\\/([^/]+)$/);\n if (req.method === \"GET\" && sessionIdMatch) {\n try {\n const b = await getBrowser(sessionIdMatch[1]);\n return json({ ok: true, session: { id: b.session_id, ...b } });\n } catch (e) {\n return json({ ok: false, error: (e as Error).message }, 404);\n }\n }\n\n // ── API: DELETE /api/sessions/:id ─────────────────────\n if (req.method === \"DELETE\" && sessionIdMatch) {\n try {\n await deleteBrowser(sessionIdMatch![1]);\n return json({ ok: true });\n } catch (e) {\n return json({ ok: false, error: (e as Error).message }, 500);\n }\n }\n\n // ── API: GET /api/profiles ─────────────────────────────\n if (req.method === \"GET\" && path === \"/api/profiles\") {\n try {\n const profiles = await listProfiles();\n return json({ ok: true, profiles });\n } catch (e) {\n return json({ ok: false, error: (e as Error).message }, 500);\n }\n }\n\n // ── API: POST /api/profiles ────────────────────────────\n if (req.method === \"POST\" && path === \"/api/profiles\") {\n let body: Record = {};\n try { body = await req.json(); } catch { /* ok */ }\n try {\n const profile = await createProfile((body.name as string) ?? \"kba-\" + Date.now());\n return json({ ok: true, profile });\n } catch (e) {\n return json({ ok: false, error: (e as Error).message }, 500);\n }\n }\n\n // ── API: POST /api/playwright ──────────────────────────\n if (req.method === \"POST\" && path === \"/api/playwright\") {\n let body: Record = {};\n try { body = await req.json(); } catch { /* ok */ }\n const sid = body.session_id as string;\n const code = body.code as string;\n if (!sid) return json({ ok: false, error: \"session_id required\" }, 400);\n if (!code) return json({ ok: false, error: \"code required\" }, 400);\n const result = await runPlaywright(sid, code, (body.timeout_sec as number) ?? 60);\n return json({ ok: result.success, ...result });\n }\n\n // ── API: GET /api/screenshot/:sid ─────────────────────\n const scMatch = path.match(/^\\/api\\/screenshot\\/([^/]+)$/);\n if (req.method === \"GET\" && scMatch) {\n try {\n const b64 = await takeScreenshot(scMatch[1]);\n return new Response(\n `\n

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Drag blocks here to build your flow

or click \"Add Block\" to get started

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\n 0 total\n 0 ok\n 0 err\n 0 warn\n

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// rule-based\n description?: string; // adaptive\n button?: \"left\" | \"right\" | \"middle\";\n double_click?: boolean;\n}\n\nexport interface TypeTextParams {\n mode: ExecutionMode;\n selector?: string;\n description?: string;\n text: string;\n clear_first?: boolean;\n press_enter_after?: boolean;\n}\n\nexport interface PressKeyParams {\n key: string; // \"Enter\", \"Tab\", \"ArrowDown\", \"Escape\", etc.\n selector?: string;\n}\n\nexport interface ScrollParams {\n direction: \"down\" | \"up\" | \"to_bottom\" | \"to_top\" | \"to_element\";\n amount?: number; // pixels (for down/up)\n selector?: string; // for to_element\n}\n\nexport interface HoverParams {\n mode: ExecutionMode;\n selector?: string;\n description?: string;\n}\n\nexport interface SelectOptionParams {\n mode: ExecutionMode;\n selector?: string;\n description?: string;\n value?: string;\n label?: string;\n}\n\nexport interface SetDateInputParams {\n mode: ExecutionMode;\n selector?: string;\n description?: string;\n date: string; // ISO or locale format\n}\n\nexport interface UploadFileParams {\n mode: ExecutionMode;\n selector?: string;\n description?: string;\n file_path?: string;\n file_base64?: string;\n file_name?: string;\n}\n\nexport interface HandleDialogParams {\n action: \"accept\" | \"dismiss\" | \"type_and_accept\";\n text?: string; // for prompt dialogs\n}\n\nexport interface GetElementTextParams {\n mode: ExecutionMode;\n selector?: string;\n description?: string;\n trim?: boolean;\n}\n\nexport interface GetLinkURLParams {\n mode: ExecutionMode;\n selector?: string;\n description?: string;\n}\n\nexport interface GetElementAttributeParams {\n mode: ExecutionMode;\n selector?: string;\n description?: string;\n attribute: string;\n}\n\nexport interface GetElementHTMLParams {\n mode: ExecutionMode;\n selector?: string;\n description?: string;\n outer?: boolean;\n}\n\nexport interface SaveFileParams {\n mode: ExecutionMode;\n selector?: string;\n description?: string;\n url?: string;\n save_to?: string;\n}\n\nexport interface TakeScreenshotParams {\n full_page?: boolean;\n region?: { x: number; y: number; width: number; height: number };\n format?: \"png\" | \"jpeg\" | \"webp\";\n}\n\nexport interface GeneratePDFParams {\n full_page?: boolean;\n format?: string;\n}\n\nexport interface VisitParams {\n url: string;\n new_tab?: boolean;\n wait_until?: \"load\" | \"domcontentloaded\" | \"networkidle\";\n}\n\nexport interface ReloadPageParams {\n hard?: boolean;\n}\n\nexport interface SpreadsheetParams {\n spreadsheet_id: string;\n sheet_name?: string;\n row_data?: Record;\n condition?: Record;\n variable_name?: string;\n}\n\nexport interface IfParams {\n condition: string; // JS expression string\n variable_map?: Record;\n}\n\nexport interface WaitParams {\n duration_ms: number;\n}\n\nexport interface WaitForElementParams {\n mode: ExecutionMode;\n selector?: string;\n description?: string;\n timeout_ms?: number;\n state?: \"visible\" | \"hidden\" | \"attached\" | \"detached\";\n}\n\nexport interface RunScriptParams {\n script: string; // JS to evaluate in browser context\n args?: unknown[];\n}\n\nexport interface GetDateParams {\n format?: string; // e.g. \"YYYY-MM-DD\", \"ISO\", \"timestamp\"\n timezone?: string;\n}\n\nexport interface MakeHTTPRequestParams {\n method: \"GET\" | \"POST\" | \"PUT\" | \"PATCH\" | \"DELETE\";\n url: string;\n headers?: Record;\n body?: unknown;\n response_type?: \"json\" | \"text\" | \"blob\";\n}\n\nexport interface AssertParams {\n condition: string; // JS expression\n message?: string;\n}\n\nexport interface RunFlowParams {\n flow_id: string;\n input_variables?: Record;\n}\n\nexport interface CreateTabParams {\n url?: string;\n}\n\nexport interface SelectTabParams {\n tab_id: string;\n}\n\nexport interface SolveCaptchaParams {\n mode: ExecutionMode;\n selector?: string;\n description?: string;\n service?: \"2captcha\" | \"anticaptcha\" | \"internal\";\n}\n\n// ─── Union Block Params ────────────────────────────────────\n\nexport type BlockParams =\n | ClickParams | TypeTextParams | PressKeyParams | ScrollParams\n | HoverParams | SelectOptionParams | SetDateInputParams | UploadFileParams\n | HandleDialogParams | GetElementTextParams | GetLinkURLParams\n | GetElementAttributeParams | GetElementHTMLParams | SaveFileParams\n | TakeScreenshotParams | GeneratePDFParams | VisitParams | ReloadPageParams\n | SpreadsheetParams | IfParams | WaitParams | WaitForElementParams\n | RunScriptParams | GetDateParams | MakeHTTPRequestParams | AssertParams\n | RunFlowParams | CreateTabParams | SelectTabParams | SolveCaptchaParams\n | Record;\n\n// ─── Block Execution Request ───────────────────────────────\n\nexport interface BlockExecutionRequest {\n block_type: BlockType;\n block_params: BlockParams;\n browser_state?: {\n browser_id?: string;\n active_tab_id?: string;\n current_url?: string;\n };\n previous_variables?: Record;\n screenshot_base64?: string; // for adaptive reasoning\n html_snapshot?: string; // for adaptive reasoning\n flow_id?: string;\n step_index?: number;\n}\n\n// ─── Block Execution Response ──────────────────────────────\n// Single source of truth — blockExecutor.ts re-exports this shape.\n// Do NOT redefine BlockExecutionResponse elsewhere.\n\nexport interface BlockExecutionResponse {\n success: boolean;\n data: unknown;\n error: string | null;\n // Top-level browser_id for convenience (same as browser_state.browser_id)\n browser_id: string | null;\n browser_state: {\n browser_id: string | null;\n current_url: string | null;\n active_tab_id: string | null;\n screenshot_taken: boolean;\n };\n variables_updated: Record | null;\n next_action_needed: boolean;\n reasoning_summary: string;\n}\n\n// ─── Flow Definition ───────────────────────────────────────\n\nexport interface FlowBlock {\n id: string;\n type: BlockType;\n params: BlockParams;\n next?: string; // next block id (for linear flow)\n on_true?: string; // for If blocks\n on_false?: string; // for If blocks\n loop_end?: string; // id of End block for loops\n}\n\nexport interface FlowDefinition {\n id: string;\n name: string;\n start_block: string;\n blocks: Record;\n variables?: Record;\n}\n\n// ─── Kernel Browser Session ────────────────────────────────\n\nexport interface KernelSession {\n session_id: string;\n browser_live_view_url: string;\n profile_id?: string;\n proxy_id?: string;\n}\n\nexport interface KernelProfileConfig {\n name: string;\n proxyCountry: string;\n proxyState?: string;\n proxyCity?: string;\n proxyZip?: string;\n proxyAsn?: string;\n}\n",[149],"df220bee-2069-11f1-ba91-42dde27851f2","main.ts","49f688d4-1fbe-11f1-aac6-42dde27851f2",66,["D",1773577451229],4,"// ============================================================\n// KBA – Kernel Browser Automation Agent\n// HTTP Endpoint – Val Town (Deno)\n// ============================================================\n\nimport type { BlockExecutionRequest, FlowDefinition } from \"./types.ts\";\nimport { executeBlock } from \"./blockExecutor.ts\";\nimport { runFlow, parseFlow } from \"./flowRunner.ts\";\nimport {\n createBrowser as createBrowserSession,\n listBrowsers as listBrowserSessions,\n getBrowser as getBrowserSession,\n deleteBrowser as closeBrowserSession,\n type KernelBrowser,\n} from \"./kernelClient.ts\";\n\nconst CORS = {\n \"Access-Control-Allow-Origin\": \"*\",\n \"Access-Control-Allow-Methods\": \"GET, POST, DELETE, OPTIONS\",\n \"Access-Control-Allow-Headers\": \"Content-Type, Authorization, X-KBA-Token\",\n};\n\nfunction json(data: unknown, status = 200): Response {\n return new Response(JSON.stringify(data, null, 2), {\n status,\n headers: { \"Content-Type\": \"application/json\", ...CORS },\n });\n}\n\nfunction err(message: string, status = 400): Response {\n return json({ success: false, error: message }, status);\n}\n\nfunction isAuthorized(req: Request): boolean {\n const token = Deno.env.get(\"KBA_API_TOKEN\");\n if (!token) return true;\n const h = req.headers.get(\"Authorization\") ?? req.headers.get(\"X-KBA-Token\") ?? \"\";\n return h === `Bearer ${token}` || h === token;\n}\n\n// Map KernelBrowser → normalized session shape used by UI & responses\n// Fix: KernelBrowser uses session_id + browser_live_view_url (not id/live_view_url)\nfunction normalizeSession(b: KernelBrowser) {\n return {\n id: b.session_id,\n session_id: b.session_id,\n live_view_url: b.browser_live_view_url ?? null,\n browser_live_view_url: b.browser_live_view_url ?? null,\n status: b.deleted_at ? \"deleted\" : \"active\",\n headless: b.headless,\n stealth: b.stealth,\n cdp_ws_url: b.cdp_ws_url,\n created_at: b.created_at,\n };\n}\n\nexport default async function handler(req: Request): Promise {\n const url = new URL(req.url);\n\n // CORS preflight\n if (req.method === \"OPTIONS\") {\n return new Response(null, { status: 204, headers: CORS });\n }\n\n // ── GET /health ────────────────────────────────────────\n if (req.method === \"GET\" && url.pathname === \"/health\") {\n return json({\n status: \"ok\",\n service: \"KBA – Kernel Browser Automation Agent\",\n version: \"1.0.0\",\n kernel_api_key_set: !!Deno.env.get(\"KERNEL_API_KEY\"),\n timestamp: new Date().toISOString(),\n });\n }\n\n // Auth guard (after health so health is always public)\n if (!isAuthorized(req)) {\n return err(\"Unauthorized\", 401);\n }\n\n // ── GET /session ───────────────────────────────────────\n if (req.method === \"GET\" && url.pathname === \"/session\") {\n try {\n const browsers = await listBrowserSessions();\n return json({ success: true, sessions: browsers.map(normalizeSession) });\n } catch (e) {\n return err(`Failed to list sessions: ${(e as Error).message}`, 500);\n }\n }\n\n // ── POST /session ──────────────────────────────────────\n if (req.method === \"POST\" && url.pathname === \"/session\") {\n let body: Record = {};\n try { body = await req.json(); } catch { /* empty body ok */ }\n\n try {\n // Fix: kernelClient.createBrowser() accepts proxy_id / profile_id (not proxy_country / profile_name)\n const b = await createBrowserSession({\n headless: (body.headless as boolean) ?? false,\n stealth: (body.stealth as boolean) ?? true,\n timeout_seconds: (body.timeout_seconds as number) ?? 3600,\n proxy_id: (body.proxy_id as string) ?? undefined,\n profile_id: (body.profile_id as string) ?? undefined,\n });\n return json({ success: true, session: normalizeSession(b) });\n } catch (e) {\n return err(`Failed to create session: ${(e as Error).message}`, 500);\n }\n }\n\n // ── GET /session/:id ───────────────────────────────────\n const sessionMatch = url.pathname.match(/^\\/session\\/([^/]+)$/);\n if (req.method === \"GET\" && sessionMatch) {\n try {\n const b = await getBrowserSession(sessionMatch[1]);\n return json({ success: true, session: normalizeSession(b) });\n } catch (e) {\n return err(`Session not found: ${(e as Error).message}`, 404);\n }\n }\n\n // ── DELETE /session/:id ────────────────────────────────\n if (req.method === \"DELETE\" && sessionMatch) {\n try {\n await closeBrowserSession(sessionMatch![1]);\n return json({ success: true, message: `Session ${sessionMatch![1]} closed` });\n } catch (e) {\n return err(`Failed to close session: ${(e as Error).message}`, 500);\n }\n }\n\n // ── POST /execute ──────────────────────────────────────\n if (req.method === \"POST\" && url.pathname === \"/execute\") {\n let body: BlockExecutionRequest;\n try {\n body = await req.json() as BlockExecutionRequest;\n } catch {\n return err(\"Invalid JSON body\");\n }\n if (!body.block_type) return err(\"Missing block_type\");\n if (!body.block_params) return err(\"Missing block_params\");\n\n console.log(`[KBA] Execute: ${body.block_type}`);\n const result = await executeBlock(\n body.block_type,\n body.block_params as Record,\n {\n browserId: body.browser_state?.browser_id ?? undefined,\n activeTabId: body.browser_state?.active_tab_id ?? undefined,\n currentUrl: body.browser_state?.current_url ?? undefined,\n previousVariables: body.previous_variables,\n }\n );\n return json(result, result.success ? 200 : 500);\n }\n\n // ── POST /run-flow ─────────────────────────────────────\n if (req.method === \"POST\" && url.pathname === \"/run-flow\") {\n let body: { flow: FlowDefinition | string; input_variables?: Record; max_steps?: number };\n try {\n body = await req.json();\n } catch {\n return err(\"Invalid JSON body\");\n }\n if (!body.flow) return err(\"Missing field: flow\");\n\n let flow: FlowDefinition;\n try {\n flow = typeof body.flow === \"string\" ? parseFlow(body.flow) : body.flow;\n } catch (e) {\n return err(`Invalid flow JSON: ${(e as Error).message}`);\n }\n\n console.log(`[KBA] Run flow: ${flow.name} (${Object.keys(flow.blocks).length} blocks)`);\n const result = await runFlow(flow, body.input_variables ?? {}, {\n maxSteps: body.max_steps ?? 500,\n });\n return json(result, result.success ? 200 : 500);\n }\n\n // 404\n return err(`Endpoint \"${url.pathname}\" not found. GET /health to see available endpoints.`, 404);\n}\n",[158],"84e1312e-1fc8-11f1-bded-42dde27851f2","kernelClient.ts","c5b1359a-1fbf-11f1-8b8f-42dde27851f2",45,["D",1773508150828],7,"// ============================================================\n// KERNEL CLIENT — xác minh thực tế từ docs kernel.sh\n// Base URL : https://api.onkernel.com (đã probe, không có /v1/)\n// Auth : Authorization: Bearer \n// Endpoints đã xác minh từ docs chính thức:\n// POST /browsers → tạo session\n// GET /browsers → list sessions\n// GET /browsers/{id} → get session\n// DEL /browsers/{id} → xóa session\n// POST /browsers/{id}/playwright/execute → chạy Playwright TS\n// POST /browsers/{id}/computer/screenshot→ chụp ảnh (trả về image/png)\n// POST /browsers/{id}/computer/click → click chuột\n// POST /browsers/{id}/computer/type → gõ văn bản\n// POST /browsers/{id}/computer/key-press→ nhấn phím\n// POST /browsers/{id}/computer/scroll → cuộn chuột\n// GET /profiles → list profiles\n// POST /profiles → tạo profile\n// ============================================================\n\nconst BASE = \"https://api.onkernel.com\";\n\nfunction apiKey(): string {\n const k = Deno.env.get(\"KERNEL_API_KEY\");\n if (!k) throw new Error(\"KERNEL_API_KEY chưa được set\");\n return k;\n}\n\nasync function kFetch(path: string, opts: RequestInit = {}): Promise {\n const res = await fetch(BASE + path, {\n ...opts,\n headers: {\n \"Content-Type\": \"application/json\",\n \"Authorization\": \"Bearer \" + apiKey(),\n ...(opts.headers ?? {}),\n },\n });\n const text = await res.text();\n if (!res.ok) throw new Error(`Kernel ${res.status} ${path}: ${text}`);\n if (!text.trim()) return null;\n try { return JSON.parse(text); } catch { return text; }\n}\n\n// ─── Types ────────────────────────────────────────────────\nexport interface KernelBrowser {\n session_id: string;\n browser_live_view_url?: string;\n cdp_ws_url: string;\n webdriver_ws_url: string;\n headless: boolean;\n stealth: boolean;\n timeout_seconds: number;\n created_at: string;\n deleted_at?: string;\n}\n\nexport interface PlaywrightResult {\n success: boolean;\n result?: unknown;\n error?: string;\n stdout?: string;\n stderr?: string;\n}\n\nexport interface KernelProfile {\n id: string;\n name: string;\n created_at: string;\n}\n\n// ─── Browser Sessions ─────────────────────────────────────\n\nexport async function createBrowser(opts: {\n headless?: boolean;\n stealth?: boolean;\n timeout_seconds?: number;\n proxy_id?: string;\n profile_id?: string;\n} = {}): Promise {\n const body: Record = {\n headless: opts.headless ?? false,\n stealth: opts.stealth ?? true,\n timeout_seconds: opts.timeout_seconds ?? 3600,\n };\n if (opts.proxy_id) body.proxy_id = opts.proxy_id;\n if (opts.profile_id) body.profile_id = opts.profile_id;\n return await kFetch(\"/browsers\", {\n method: \"POST\",\n body: JSON.stringify(body),\n }) as KernelBrowser;\n}\n\nexport async function listBrowsers(): Promise {\n const r = await kFetch(\"/browsers\");\n if (Array.isArray(r)) return r as KernelBrowser[];\n return ((r as Record)?.browsers ?? []) as KernelBrowser[];\n}\n\nexport async function getBrowser(id: string): Promise {\n return await kFetch(\"/browsers/\" + id) as KernelBrowser;\n}\n\nexport async function deleteBrowser(id: string): Promise {\n await kFetch(\"/browsers/\" + id, { method: \"DELETE\" });\n}\n\n// ─── Playwright ───────────────────────────────────────────\n// POST /browsers/{id}/playwright/execute\n// Body: { code: string, timeout_sec?: number }\n// Response: { success, result, error, stdout, stderr }\n\nexport async function runPlaywright(\n sessionId: string,\n code: string,\n timeoutSec = 60\n): Promise {\n try {\n return await kFetch(`/browsers/${sessionId}/playwright/execute`, {\n method: \"POST\",\n body: JSON.stringify({ code, timeout_sec: timeoutSec }),\n }) as PlaywrightResult;\n } catch (e) {\n return { success: false, error: (e as Error).message };\n }\n}\n\n// ─── Screenshot ───────────────────────────────────────────\n// POST /browsers/{id}/computer/screenshot\n// Response: image/png binary — ta convert sang base64\n\nexport async function takeScreenshot(sessionId: string): Promise {\n const res = await fetch(`${BASE}/browsers/${sessionId}/computer/screenshot`, {\n method: \"POST\",\n headers: {\n \"Content-Type\": \"application/json\",\n \"Authorization\": \"Bearer \" + apiKey(),\n },\n body: JSON.stringify({}),\n });\n if (!res.ok) {\n const t = await res.text();\n throw new Error(`Screenshot ${res.status}: ${t}`);\n }\n const buf = await res.arrayBuffer();\n // Dùng Deno's encodeBase64 thay vì btoa (tránh stack overflow với buffer lớn)\n const { encodeBase64 } = await import(\"jsr:@std/encoding@1.0.4/base64\");\n return encodeBase64(new Uint8Array(buf));\n}\n\n// ─── Computer Controls ────────────────────────────────────\n\nexport async function computerClick(\n id: string, x: number, y: number,\n button: \"left\" | \"right\" | \"middle\" = \"left\"\n): Promise {\n await kFetch(`/browsers/${id}/computer/click`, {\n method: \"POST\",\n body: JSON.stringify({ x, y, button }),\n });\n}\n\nexport async function computerType(id: string, text: string): Promise {\n await kFetch(`/browsers/${id}/computer/type`, {\n method: \"POST\",\n body: JSON.stringify({ text }),\n });\n}\n\nexport async function computerKeyPress(id: string, keys: string[]): Promise {\n await kFetch(`/browsers/${id}/computer/key-press`, {\n method: \"POST\",\n body: JSON.stringify({ keys }),\n });\n}\n\nexport async function computerScroll(\n id: string, x: number, y: number,\n deltaX: number, deltaY: number\n): Promise {\n await kFetch(`/browsers/${id}/computer/scroll`, {\n method: \"POST\",\n body: JSON.stringify({ x, y, delta_x: deltaX, delta_y: deltaY }),\n });\n}\n\n// ─── Profiles ─────────────────────────────────────────────\n\nexport async function listProfiles(): Promise {\n const r = await kFetch(\"/profiles\");\n if (Array.isArray(r)) return r as KernelProfile[];\n return ((r as Record)?.profiles ?? []) as KernelProfile[];\n}\n\nexport async function createProfile(name: string): Promise {\n return await kFetch(\"/profiles\", {\n method: \"POST\",\n body: JSON.stringify({ name }),\n }) as KernelProfile;\n}\n\nexport async function deleteProfile(idOrName: string): Promise {\n await kFetch(`/profiles/${idOrName}`, { method: \"DELETE\" });\n}\n\n// ─── Playwright Code Builder ──────────────────────────────\n\nexport interface Action {\n type: string;\n url?: string; waitUntil?: string;\n selector?: string;\n text?: string; clearFirst?: boolean;\n key?: string;\n direction?: string; amount?: number;\n value?: string;\n duration?: number;\n state?: string; timeout?: number;\n attribute?: string;\n script?: string;\n accept?: boolean; promptText?: string;\n condition?: string; message?: string;\n}\n\nexport function buildCode(actions: Action[]): string {\n const lines: string[] = [];\n for (const a of actions) {\n switch (a.type) {\n case \"Visit\":\n lines.push(`await page.goto(${j(a.url)}, { waitUntil: ${j(a.waitUntil ?? \"load\")} });`);\n break;\n case \"Click\":\n if (a.selector) lines.push(`await page.click(${j(a.selector)});`);\n break;\n case \"Type Text\":\n if (a.clearFirst) lines.push(`await page.fill(${j(a.selector)}, ${j(a.text ?? \"\")});`);\n else lines.push(`await page.type(${j(a.selector)}, ${j(a.text ?? \"\")});`);\n break;\n case \"Press Key\":\n lines.push(`await page.keyboard.press(${j(a.key ?? \"Enter\")});`);\n break;\n case \"Scroll\":\n if (a.direction === \"down\") lines.push(`await page.evaluate(() => window.scrollBy(0, ${a.amount ?? 300}));`);\n else if (a.direction === \"up\") lines.push(`await page.evaluate(() => window.scrollBy(0, -${a.amount ?? 300}));`);\n else if (a.direction === \"to_bottom\") lines.push(`await page.evaluate(() => window.scrollTo(0, document.body.scrollHeight));`);\n else if (a.direction === \"to_top\") lines.push(`await page.evaluate(() => window.scrollTo(0, 0));`);\n else if (a.direction === \"to_element\" && a.selector) lines.push(`await page.locator(${j(a.selector)}).scrollIntoViewIfNeeded();`);\n break;\n case \"Hover\":\n if (a.selector) lines.push(`await page.hover(${j(a.selector)});`);\n break;\n case \"Select Option\":\n if (a.selector) lines.push(`await page.selectOption(${j(a.selector)}, ${j(a.value ?? \"\")});`);\n break;\n case \"Wait\":\n lines.push(`await page.waitForTimeout(${a.duration ?? 1000});`);\n break;\n case \"Wait for Element\":\n if (a.selector) lines.push(`await page.waitForSelector(${j(a.selector)}, { state: ${j(a.state ?? \"visible\")}, timeout: ${a.timeout ?? 10000} });`);\n break;\n case \"Get Element Text\":\n if (a.selector) lines.push(`return await page.textContent(${j(a.selector)});`);\n break;\n case \"Get Page URL\":\n lines.push(`return page.url();`);\n break;\n case \"Get Element Attribute\":\n if (a.selector) lines.push(`return await page.getAttribute(${j(a.selector)}, ${j(a.attribute ?? \"href\")});`);\n break;\n case \"Get Element HTML\":\n if (a.selector) lines.push(`return await page.innerHTML(${j(a.selector)});`);\n break;\n case \"Reload Page\":\n lines.push(`await page.reload();`);\n break;\n case \"Go Back\":\n lines.push(`await page.goBack();`);\n break;\n case \"Go Forward\":\n lines.push(`await page.goForward();`);\n break;\n case \"Run Script\":\n lines.push(`return await page.evaluate(() => { ${a.script ?? \"\"} });`);\n break;\n case \"Assert\":\n lines.push(`if (!(${a.condition ?? \"true\"})) throw new Error(${j(a.message ?? \"Assertion failed\")});`);\n break;\n case \"Show Alert\":\n lines.push(`await page.evaluate(() => alert(${j(a.text ?? \"\")}));`);\n break;\n }\n }\n return lines.join(\"\\n\");\n}\n\nfunction j(v: unknown): string { return JSON.stringify(v); }\n",[166],"13121f16-1fc0-11f1-90b3-42dde27851f2","flowRunner.ts","13121fde-1fc0-11f1-90b3-42dde27851f2",5,["D",1773504523924],"// ============================================================\n// FLOW RUNNER – KBA (Val Town Executor)\n// Xử lý toàn bộ luồng: linear, If/Else, Loop, While\n// Control Flow blocks được xử lý ở đây, KHÔNG trong blockExecutor\n// ============================================================\n\nimport type {\n FlowDefinition, FlowBlock, BlockExecutionResponse,\n} from \"./types.ts\";\nimport { executeBlock } from \"./blockExecutor.ts\";\n\n// ─── Runner State ─────────────────────────────────────────\n\ninterface RunnerState {\n variables: Record;\n browserId: string | null;\n activeTabId: string | null;\n currentUrl: string | null;\n stepCount: number;\n maxSteps: number;\n}\n\n// ─── Flow Execution Result ────────────────────────────────\n\nexport interface FlowRunResult {\n success: boolean;\n completed_blocks: number;\n final_variables: Record;\n last_error: string | null;\n browser_state: {\n browser_id: string | null;\n current_url: string | null;\n };\n logs: string[];\n}\n\n// ─── Main Runner ──────────────────────────────────────────\n\nexport async function runFlow(\n flow: FlowDefinition,\n inputVariables: Record = {},\n options: { maxSteps?: number; screenshotOnError?: boolean } = {}\n): Promise {\n const logs: string[] = [];\n const state: RunnerState = {\n variables: { ...flow.variables, ...inputVariables },\n browserId: null,\n activeTabId: null,\n currentUrl: null,\n stepCount: 0,\n maxSteps: options.maxSteps ?? 500,\n };\n\n function log(msg: string) {\n const ts = new Date().toISOString();\n logs.push(`[${ts}] ${msg}`);\n console.log(`[KBA Flow] ${msg}`);\n }\n\n let currentBlockId: string | null = flow.start_block;\n\n try {\n while (currentBlockId !== null && state.stepCount < state.maxSteps) {\n const block = flow.blocks[currentBlockId];\n if (!block) {\n log(`Block ID \"${currentBlockId}\" không tồn tại trong flow. Dừng.`);\n break;\n }\n\n log(`▶ Bước ${++state.stepCount}: [${block.type}] id=\"${currentBlockId}\"`);\n\n // ── CONTROL FLOW ──────────────────────────────────\n\n if (block.type === \"If\") {\n const params = block.params as { condition: string };\n const result = await executeBlock(\"If\", params, {\n browserId: state.browserId ?? undefined,\n currentUrl: state.currentUrl ?? undefined,\n previousVariables: state.variables,\n });\n\n const condResult = (result.variables_updated?.__condition__ as boolean) ?? false;\n log(` If: condition=\"${params.condition}\" → ${condResult}`);\n\n currentBlockId = condResult\n ? (block.on_true ?? block.next ?? null)\n : (block.on_false ?? block.next ?? null);\n continue;\n }\n\n if (block.type === \"Else\") {\n currentBlockId = block.next ?? null;\n continue;\n }\n\n if (block.type === \"End\" || block.type === \"Break\") {\n log(` ${block.type}: Kết thúc/thoát khỏi block hiện tại`);\n currentBlockId = block.next ?? null;\n continue;\n }\n\n if (block.type === \"While\") {\n const params = block.params as { condition: string };\n const loopEnd = block.loop_end;\n let iteration = 0;\n const maxIter = 1000;\n\n while (iteration < maxIter) {\n const result = await executeBlock(\"If\", { condition: params.condition }, {\n browserId: state.browserId ?? undefined,\n currentUrl: state.currentUrl ?? undefined,\n previousVariables: state.variables,\n });\n const cond = result.variables_updated?.__condition__ as boolean;\n if (!cond) break;\n\n log(` While iteration ${++iteration}: condition=true`);\n // Execute body blocks until loop_end\n let bodyId = block.next ?? null;\n while (bodyId && bodyId !== loopEnd) {\n const bodyBlock = flow.blocks[bodyId];\n if (!bodyBlock) break;\n if (bodyBlock.type === \"Break\") { bodyId = null; break; }\n const bodyResult = await executeBlockAndUpdateState(bodyBlock, state, log);\n if (!bodyResult.success) {\n return buildResult(false, state, bodyResult.error, logs);\n }\n bodyId = bodyBlock.next ?? null;\n }\n if (bodyId === null) break; // Break encountered\n }\n currentBlockId = loopEnd ?? block.next ?? null;\n continue;\n }\n\n if ([\"Loop\", \"Loop Elements\", \"Loop Pages\", \"Loop List Items\"].includes(block.type)) {\n const params = block.params as {\n items?: unknown[];\n variable_name?: string;\n index_variable?: string;\n selector?: string;\n page_count?: number;\n };\n\n const items = params.items ??\n (typeof state.variables[params.variable_name ?? \"items\"] === \"object\"\n ? (state.variables[params.variable_name ?? \"items\"] as unknown[])\n : []);\n\n const loopEnd = block.loop_end;\n log(` Loop: ${items.length} items`);\n\n for (let i = 0; i < items.length; i++) {\n state.variables[params.variable_name ?? \"item\"] = items[i];\n if (params.index_variable) state.variables[params.index_variable] = i;\n\n let bodyId = block.next ?? null;\n while (bodyId && bodyId !== loopEnd) {\n const bodyBlock = flow.blocks[bodyId];\n if (!bodyBlock) break;\n if (bodyBlock.type === \"Break\") { bodyId = null; break; }\n if (bodyBlock.type === \"End\") break;\n const bodyResult = await executeBlockAndUpdateState(bodyBlock, state, log);\n if (!bodyResult.success) {\n return buildResult(false, state, bodyResult.error, logs);\n }\n bodyId = bodyBlock.next ?? null;\n }\n if (bodyId === null) break;\n }\n\n currentBlockId = loopEnd ?? block.next ?? null;\n continue;\n }\n\n // ── REGULAR BLOCK ─────────────────────────────────\n\n const result = await executeBlockAndUpdateState(block, state, log);\n if (!result.success) {\n log(` ❌ Lỗi: ${result.error}`);\n return buildResult(false, state, result.error, logs);\n }\n\n currentBlockId = block.next ?? null;\n }\n\n if (state.stepCount >= state.maxSteps) {\n log(`⚠️ Flow đạt giới hạn ${state.maxSteps} bước. Dừng.`);\n }\n\n log(`✅ Flow hoàn thành sau ${state.stepCount} bước`);\n return buildResult(true, state, null, logs);\n\n } catch (e) {\n const err = e as Error;\n log(`❌ Lỗi không mong đợi: ${err.message}`);\n return buildResult(false, state, err.message, logs);\n }\n}\n\n// ─── Execute block & sync runner state ────────────────────\n\nasync function executeBlockAndUpdateState(\n block: FlowBlock,\n state: RunnerState,\n log: (msg: string) => void\n): Promise {\n const result = await executeBlock(block.type, block.params, {\n browserId: state.browserId ?? undefined,\n activeTabId: state.activeTabId ?? undefined,\n currentUrl: state.currentUrl ?? undefined,\n previousVariables: state.variables,\n });\n\n // Sync browser state\n if (result.browser_state.browser_id) {\n state.browserId = result.browser_state.browser_id;\n }\n if (result.browser_state.current_url) {\n state.currentUrl = result.browser_state.current_url;\n }\n if (result.browser_state.active_tab_id) {\n state.activeTabId = result.browser_state.active_tab_id;\n }\n\n // Merge variables\n if (result.variables_updated) {\n Object.assign(state.variables, result.variables_updated);\n }\n\n log(` ✓ ${result.reasoning_summary}`);\n return result;\n}\n\n// ─── Build final result ────────────────────────────────────\n\nfunction buildResult(\n success: boolean,\n state: RunnerState,\n error: string | null,\n logs: string[]\n): FlowRunResult {\n return {\n success,\n completed_blocks: state.stepCount,\n final_variables: state.variables,\n last_error: error,\n browser_state: {\n browser_id: state.browserId,\n current_url: state.currentUrl,\n },\n logs,\n };\n}\n\n// ─── Helper: Parse flow from JSON ────────────────────────\n\nexport function parseFlow(flowJson: string): FlowDefinition {\n return JSON.parse(flowJson) as FlowDefinition;\n}\n",[174],"cc76e2ee-2069-11f1-aff0-42dde27851f2","blockExecutor.ts","ffdb5548-1fbf-11f1-b868-42dde27851f2",65,["D",1773577419848],"// ============================================================\n// BLOCK EXECUTOR – KBA v2\n// Mọi block đều dùng runPlaywright() từ kernelClient.ts\n// Base: POST /browsers/{id}/playwright/execute\n// ============================================================\n\nimport { runPlaywright, createBrowser, takeScreenshot, buildCode, type Action } from \"./kernelClient.ts\";\n\nexport interface BlockExecutionResponse {\n success: boolean;\n data: unknown;\n error: string | null;\n browser_id: string | null;\n browser_state: {\n browser_id: string | null;\n current_url: string | null;\n active_tab_id: string | null;\n screenshot_taken: boolean;\n };\n reasoning_summary: string;\n variables_updated: Record | null;\n next_action_needed: boolean;\n}\n\nfunction ok(\n data: unknown,\n vars: Record | null,\n browserId: string | null,\n summary: string,\n extra: Partial = {}\n): BlockExecutionResponse {\n return {\n success: true, data, error: null,\n browser_id: browserId,\n browser_state: {\n browser_id: browserId,\n current_url: extra.current_url ?? null,\n active_tab_id: extra.active_tab_id ?? null,\n screenshot_taken: extra.screenshot_taken ?? false,\n },\n reasoning_summary: summary,\n variables_updated: vars,\n next_action_needed: false,\n };\n}\n\nfunction fail(\n error: string,\n browserId: string | null,\n summary: string\n): BlockExecutionResponse {\n return {\n success: false, data: null, error,\n browser_id: browserId,\n browser_state: {\n browser_id: browserId,\n current_url: null,\n active_tab_id: null,\n screenshot_taken: false,\n },\n reasoning_summary: summary,\n variables_updated: null,\n next_action_needed: false,\n };\n}\n\n// Ensure we have a browser session\nasync function ensureSession(\n browserId?: string,\n opts: { headless?: boolean; stealth?: boolean } = {}\n): Promise {\n if (browserId) return browserId;\n // Use caller-supplied options so user config is respected\n const b = await createBrowser({\n headless: opts.headless ?? false,\n stealth: opts.stealth ?? true,\n timeout_seconds: 3600,\n });\n return b.session_id;\n}\n\n// Adaptive selector resolution using heuristics\nfunction adaptiveSelector(description: string): string {\n const d = description.toLowerCase();\n if (d.includes(\"search\") && d.includes(\"input\")) return \"input[type='search'], input[placeholder*='search' i]\";\n if (d.includes(\"email\") && d.includes(\"input\")) return \"input[type='email'], input[name*='email' i]\";\n if (d.includes(\"password\")) return \"input[type='password']\";\n if (d.includes(\"submit\") || d.includes(\"login button\")) return \"button[type='submit'], input[type='submit']\";\n if (d.includes(\"username\")) return \"input[name*='user' i], input[id*='user' i]\";\n if (d.includes(\"sign in\") || d.includes(\"log in\")) return \"button:has-text('Sign in'), button:has-text('Log in')\";\n if (d.includes(\"next button\")) return \"button:has-text('Next')\";\n if (d.includes(\"close\")) return \"button[aria-label*='close' i], .close\";\n if (d.includes(\"dropdown\")) return \"select\";\n return `[aria-label*=\"${description}\" i]`;\n}\n\n// ─── MAIN EXECUTOR ────────────────────────────────────────\nexport async function executeBlock(\n blockType: string,\n params: Record,\n context: {\n browserId?: string;\n activeTabId?: string; // Fix: thêm field bị thiếu để flowRunner không bị type error\n currentUrl?: string;\n previousVariables?: Record;\n } = {}\n): Promise {\n try {\n // ── UTILITIES that don't need a browser ──────────────\n\n if (blockType === \"Get Date\") {\n const fmt = (params.format as string) ?? \"ISO\";\n const now = new Date();\n let dateStr: string;\n if (fmt === \"timestamp\") dateStr = now.getTime().toString();\n else if (fmt === \"YYYY-MM-DD\") dateStr = now.toISOString().split(\"T\")[0];\n else if (fmt === \"HH:mm:ss\") dateStr = now.toTimeString().slice(0, 8);\n else dateStr = now.toISOString();\n return ok(dateStr, { current_date: dateStr }, context.browserId ?? null, `Date: ${dateStr}`);\n }\n\n if (blockType === \"Wait\") {\n const ms = (params.duration_ms as number) ?? 1000;\n await new Promise(r => setTimeout(r, ms));\n return ok({ waited_ms: ms }, null, context.browserId ?? null, `Waited ${ms}ms`);\n }\n\n if (blockType === \"Comment\") {\n return ok({ comment: params.text }, null, context.browserId ?? null, `Comment: ${params.text}`);\n }\n\n if (blockType === \"Show Alert\") {\n console.log(`[KBA ALERT] ${params.text}`);\n return ok({ alert_text: params.text }, null, context.browserId ?? null, `Alert: ${params.text}`);\n }\n\n if (blockType === \"Make HTTP Request\") {\n const method = (params.method as string) ?? \"GET\";\n const url = params.url as string;\n if (!url) return fail(\"Make HTTP Request: url required\", context.browserId ?? null, \"Missing url param\");\n const res = await fetch(url, {\n method,\n headers: (params.headers as Record) ?? {},\n body: params.body ? JSON.stringify(params.body) : undefined,\n });\n let data: unknown;\n try { data = await res.json(); } catch { data = await res.text(); }\n return ok(data, { http_response: data, http_status: res.status }, context.browserId ?? null,\n `HTTP ${method} ${url} → ${res.status}`);\n }\n\n if (blockType === \"Assert\") {\n const vars = context.previousVariables ?? {};\n let passed = false;\n let assertError = \"\";\n try {\n const fn = new Function(...Object.keys(vars), `return (${params.condition ?? \"true\"})`);\n passed = Boolean(fn(...Object.values(vars)));\n } catch (e) { assertError = (e as Error).message; }\n if (!passed) return fail(`Assert failed: \"${params.condition}\" ${params.message ?? \"\"} ${assertError}`, context.browserId ?? null, `Assert FAIL`);\n return ok({ passed: true }, null, context.browserId ?? null, `Assert PASS: \"${params.condition}\"`);\n }\n\n if (blockType === \"If\") {\n const vars = { ...context.previousVariables, ...(params.variable_map as Record ?? {}) };\n let condResult = false;\n try {\n const fn = new Function(...Object.keys(vars), `return (${params.condition ?? \"true\"})`);\n condResult = Boolean(fn(...Object.values(vars)));\n } catch { condResult = false; }\n return ok({ condition_result: condResult }, { __condition__: condResult }, context.browserId ?? null,\n `If: \"${params.condition}\" → ${condResult}`);\n }\n\n if ([\"Loop\", \"While\", \"End\", \"Break\", \"Loop Elements\", \"Loop List Items\"].includes(blockType)) {\n return ok({ control_flow_block: blockType }, { __control_flow__: blockType }, context.browserId ?? null,\n `Control flow [${blockType}] – handled by runner`);\n }\n\n // ── ALL BROWSER BLOCKS use runPlaywright ─────────────\n\n const bid = await ensureSession(context.browserId);\n const actions: Action[] = [];\n\n // ── Navigate ──────────────────────────────────────────\n if (blockType === \"Visit\") {\n actions.push({ type: \"Visit\", url: params.url as string, waitUntil: (params.wait_until as string) ?? \"load\" });\n const code = buildCode(actions) + \"\\nreturn page.url();\";\n const r = await runPlaywright(bid, code);\n if (!r.success) return fail(r.error ?? \"Visit failed\", bid, `Visit ${params.url} failed`);\n // Persist current_url so runner state can be updated\n return ok({ url: r.result }, null, bid, `Visited: ${params.url}`, { current_url: r.result as string });\n }\n\n if (blockType === \"Go Back\") {\n const r = await runPlaywright(bid, \"await page.goBack(); return page.url();\");\n if (!r.success) return fail(r.error ?? \"Go Back failed\", bid, \"Go Back failed\");\n return ok({ url: r.result }, null, bid, `Go Back → ${r.result}`, { current_url: r.result as string });\n }\n\n if (blockType === \"Go Forward\") {\n const r = await runPlaywright(bid, \"await page.goForward(); return page.url();\");\n if (!r.success) return fail(r.error ?? \"Go Forward failed\", bid, \"Go Forward failed\");\n return ok({ url: r.result }, null, bid, `Go Forward → ${r.result}`, { current_url: r.result as string });\n }\n\n if (blockType === \"Reload Page\") {\n const r = await runPlaywright(bid, \"await page.reload(); return page.url();\");\n if (!r.success) return fail(r.error ?? \"Reload failed\", bid, \"Reload failed\");\n return ok({ url: r.result }, null, bid, `Reloaded → ${r.result}`, { current_url: r.result as string });\n }\n\n // ── Interact ──────────────────────────────────────────\n if (blockType === \"Click\") {\n let sel = params.selector as string;\n if (!sel && params.description) sel = adaptiveSelector(params.description as string);\n if (!sel) return fail(\"Click: selector or description required\", bid, \"Missing selector\");\n const r = await runPlaywright(bid, `await page.click(${JSON.stringify(sel)}); return page.url();`);\n if (!r.success) return fail(r.error ?? \"Click failed\", bid, `Click \"${sel}\" failed`);\n return ok({ selector: sel }, null, bid, `Clicked \"${sel}\"`, { current_url: r.result as string });\n }\n\n if (blockType === \"Type Text\") {\n let sel = params.selector as string;\n if (!sel && params.description) sel = adaptiveSelector(params.description as string);\n if (!sel) return fail(\"Type Text: selector required\", bid, \"Missing selector\");\n const text = params.text as string ?? \"\";\n const clearFirst = params.clear_first !== false;\n const code = clearFirst\n ? `await page.fill(${JSON.stringify(sel)}, ${JSON.stringify(text)}); return page.url();`\n : `await page.type(${JSON.stringify(sel)}, ${JSON.stringify(text)}); return page.url();`;\n const r = await runPlaywright(bid, code);\n if (!r.success) return fail(r.error ?? \"Type failed\", bid, `Type \"${text}\" into \"${sel}\" failed`);\n return ok({ selector: sel, text }, null, bid, `Typed \"${text.slice(0, 30)}\" into \"${sel}\"`, { current_url: r.result as string });\n }\n\n if (blockType === \"Press Key\") {\n const key = params.key as string ?? \"Enter\";\n const r = await runPlaywright(bid, `await page.keyboard.press(${JSON.stringify(key)});`);\n if (!r.success) return fail(r.error ?? \"Press Key failed\", bid, `Press Key \"${key}\" failed`);\n return ok({ key }, null, bid, `Pressed key \"${key}\"`);\n }\n\n if (blockType === \"Scroll\") {\n const dir = params.direction as string ?? \"down\";\n const amt = (params.amount as number) ?? 300;\n let code = \"\";\n if (dir === \"down\") code = `await page.evaluate(() => window.scrollBy(0, ${amt}));`;\n else if (dir === \"up\") code = `await page.evaluate(() => window.scrollBy(0, -${amt}));`;\n else if (dir === \"to_bottom\") code = `await page.evaluate(() => window.scrollTo(0, document.body.scrollHeight));`;\n else if (dir === \"to_top\") code = `await page.evaluate(() => window.scrollTo(0, 0));`;\n else if (dir === \"to_element\" && params.selector) code = `await page.locator(${JSON.stringify(params.selector)}).scrollIntoViewIfNeeded();`;\n else code = `await page.evaluate(() => window.scrollBy(0, ${amt}));`;\n const r = await runPlaywright(bid, code);\n if (!r.success) return fail(r.error ?? \"Scroll failed\", bid, `Scroll \"${dir}\" failed`);\n return ok({ direction: dir }, null, bid, `Scrolled \"${dir}\"`);\n }\n\n if (blockType === \"Hover\") {\n let sel = params.selector as string;\n if (!sel && params.description) sel = adaptiveSelector(params.description as string);\n if (!sel) return fail(\"Hover: selector required\", bid, \"Missing selector\");\n const r = await runPlaywright(bid, `await page.hover(${JSON.stringify(sel)});`);\n if (!r.success) return fail(r.error ?? \"Hover failed\", bid, `Hover \"${sel}\" failed`);\n return ok({ selector: sel }, null, bid, `Hovered \"${sel}\"`);\n }\n\n if (blockType === \"Select Option\") {\n let sel = params.selector as string;\n if (!sel && params.description) sel = adaptiveSelector(params.description as string);\n if (!sel) return fail(\"Select Option: selector required\", bid, \"Missing selector\");\n const val = params.value as string ?? params.label as string ?? \"\";\n const r = await runPlaywright(bid, `await page.selectOption(${JSON.stringify(sel)}, ${JSON.stringify(val)});`);\n if (!r.success) return fail(r.error ?? \"Select failed\", bid, `Select \"${val}\" failed`);\n return ok({ selector: sel, value: val }, null, bid, `Selected \"${val}\" in \"${sel}\"`);\n }\n\n if (blockType === \"Set Date Input\") {\n let sel = params.selector as string;\n if (!sel && params.description) sel = adaptiveSelector(params.description as string);\n if (!sel) return fail(\"Set Date Input: selector required\", bid, \"Missing selector\");\n const date = params.date as string ?? \"\";\n const r = await runPlaywright(bid, `await page.fill(${JSON.stringify(sel)}, ${JSON.stringify(date)});`);\n if (!r.success) return fail(r.error ?? \"Set Date failed\", bid, `Set date \"${date}\" failed`);\n return ok({ selector: sel, date }, null, bid, `Set date \"${date}\" on \"${sel}\"`);\n }\n\n if (blockType === \"Wait for Element\") {\n let sel = params.selector as string;\n if (!sel && params.description) sel = adaptiveSelector(params.description as string);\n if (!sel) return fail(\"Wait for Element: selector required\", bid, \"Missing selector\");\n const state = params.state as string ?? \"visible\";\n const timeout = (params.timeout_ms as number) ?? 10000;\n const r = await runPlaywright(bid,\n `await page.waitForSelector(${JSON.stringify(sel)}, { state: ${JSON.stringify(state)}, timeout: ${timeout} });`);\n if (!r.success) return fail(r.error ?? \"Wait for Element failed\", bid, `Wait for \"${sel}\" failed`);\n return ok({ selector: sel }, null, bid, `Element \"${sel}\" is now \"${state}\"`);\n }\n\n // ── Extract ───────────────────────────────────────────\n if (blockType === \"Get Element Text\") {\n let sel = params.selector as string;\n if (!sel && params.description) sel = adaptiveSelector(params.description as string);\n if (!sel) return fail(\"Get Element Text: selector required\", bid, \"Missing selector\");\n const r = await runPlaywright(bid, `return await page.textContent(${JSON.stringify(sel)});`);\n if (!r.success) return fail(r.error ?? \"Get Text failed\", bid, `Get text \"${sel}\" failed`);\n const text = (r.result as string ?? \"\").trim();\n return ok(text, { extracted_text: text }, bid, `Got text: \"${text.slice(0, 50)}\"`);\n }\n\n if (blockType === \"Get Page URL\") {\n const r = await runPlaywright(bid, \"return page.url();\");\n if (!r.success) return fail(r.error ?? \"Get URL failed\", bid, \"Get URL failed\");\n return ok(r.result, { page_url: r.result }, bid, `Page URL: ${r.result}`, { current_url: r.result as string });\n }\n\n if (blockType === \"Get Link URL\") {\n let sel = params.selector as string;\n if (!sel && params.description) sel = adaptiveSelector(params.description as string);\n if (!sel) return fail(\"Get Link URL: selector required\", bid, \"Missing selector\");\n const r = await runPlaywright(bid, `return await page.getAttribute(${JSON.stringify(sel)}, 'href');`);\n if (!r.success) return fail(r.error ?? \"Get Link URL failed\", bid, `Get link href \"${sel}\" failed`);\n return ok(r.result, { link_url: r.result }, bid, `Link href: ${r.result}`);\n }\n\n if (blockType === \"Get Element Attribute\") {\n let sel = params.selector as string;\n if (!sel && params.description) sel = adaptiveSelector(params.description as string);\n if (!sel) return fail(\"Get Attribute: selector required\", bid, \"Missing selector\");\n const attr = params.attribute as string ?? \"href\";\n const r = await runPlaywright(bid, `return await page.getAttribute(${JSON.stringify(sel)}, ${JSON.stringify(attr)});`);\n if (!r.success) return fail(r.error ?? \"Get Attribute failed\", bid, `Get \"${attr}\" of \"${sel}\" failed`);\n return ok(r.result, { attribute_value: r.result }, bid, `Attribute \"${attr}\" = \"${r.result}\"`);\n }\n\n if (blockType === \"Get Element HTML\") {\n let sel = params.selector as string;\n if (!sel && params.description) sel = adaptiveSelector(params.description as string);\n if (!sel) return fail(\"Get Element HTML: selector required\", bid, \"Missing selector\");\n const outer = params.outer as boolean ?? false;\n let code: string;\n if (outer) {\n code = `const el = await page.$(${JSON.stringify(sel)}); if (!el) return null; return await el.evaluate(e => e.outerHTML);`;\n } else {\n code = `return await page.innerHTML(${JSON.stringify(sel)});`;\n }\n const r = await runPlaywright(bid, code);\n const prop = outer ? \"outerHTML\" : \"innerHTML\";\n if (!r.success) return fail(r.error ?? \"Get HTML failed\", bid, `Get ${prop} \"${sel}\" failed`);\n return ok(r.result, { element_html: r.result }, bid, `Got ${prop} of \"${sel}\"`);\n }\n\n if (blockType === \"Take Screenshot\") {\n // Fix: actually call takeScreenshot() instead of a dummy runPlaywright\n try {\n const b64 = await takeScreenshot(bid);\n return ok(\n { session_id: bid, screenshot_base64: b64, screenshot_url: `/api/screenshot/${bid}` },\n { screenshot_session: bid },\n bid,\n `Screenshot taken for session ${bid}`,\n { screenshot_taken: true }\n );\n } catch (e) {\n return fail(`Take Screenshot failed: ${(e as Error).message}`, bid, \"Screenshot error\");\n }\n }\n\n // ── Tabs ──────────────────────────────────────────────\n if (blockType === \"Create Tab\") {\n const tabUrl = params.url as string ?? \"about:blank\";\n const r = await runPlaywright(bid, `\n const newPage = await page.context().newPage();\n ${tabUrl !== \"about:blank\" ? `await newPage.goto(${JSON.stringify(tabUrl)}, { waitUntil: 'domcontentloaded' });` : \"\"}\n return { url: newPage.url() };\n `);\n if (!r.success) return fail(r.error ?? \"Create Tab failed\", bid, \"Create Tab failed\");\n return ok(r.result, null, bid, `Created tab → ${tabUrl}`);\n }\n\n if (blockType === \"Get Active Tab ID\") {\n const r = await runPlaywright(bid, \"return page.url();\");\n if (!r.success) return fail(r.error ?? \"Get Tab ID failed\", bid, \"Get Tab ID failed\");\n return ok({ url: r.result }, { active_tab_url: r.result }, bid, `Active tab URL: ${r.result}`, {\n active_tab_id: r.result as string,\n current_url: r.result as string,\n });\n }\n\n // ── Run Script ────────────────────────────────────────\n if (blockType === \"Run Script\") {\n const script = params.script as string ?? \"return document.title\";\n const r = await runPlaywright(bid, `return await page.evaluate(() => { ${script} });`);\n if (!r.success) return fail(r.error ?? \"Script failed\", bid, `Script failed`);\n return ok(r.result, { script_result: r.result }, bid, `Script result: ${JSON.stringify(r.result).slice(0, 100)}`);\n }\n\n // ── Run Flow (sub-flow) ────────────────────────────────\n if (blockType === \"Run Flow\") {\n return ok({ sub_flow: params.flow_id }, { sub_flow_id: params.flow_id }, context.browserId ?? 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