feat(arcrun): implement arcrun MVP — open-source AI workflow engine
Phase 1-5 complete per .agents/specs/u6u-core-mvp/: **Phase 1 — Cherry-pick & cleanup** - Create arcrun/ from cypher-executor, credentials, builtins, registry - Remove 9 InkStone Service Bindings (KBDB, REGISTRY, CLINIC_*, AICEO, MINI_ME) - Rewrite component-loader: 3-layer (builtin → WASM_BUCKET R2 → error) - Remove autoPublishMissing.ts, proxy.ts (AICEO), execution-logger.ts (KBDB) - Clean all KV namespace IDs and InkStone internal URLs from config files **Phase 2 — contract.yaml completeness** - Add credentials_required to gmail, google_sheets, telegram, line_notify - Add config_example to all 21 components with annotated field descriptions **Phase 3 — Credential injection** - Add credential-injector.ts: AES-GCM decrypt from CREDENTIALS_KV - Integrate into GraphExecutor before WASM execution - Structured errors with repair instructions when credential missing **Phase 4 — CLI (acr)** - cli/package.json: arcrun package, bin: acr, deps: commander/js-yaml/chalk/ora - 8 commands: init, creds push, push, run, validate, parts, list, logs - Standard mode: writes directly to user's CF KV via CF REST API - acr init: interactive setup with arcrun.dev API Key registration **Phase 5 — Open source release prep** - README.md: 5-minute quickstart, component table, workflow YAML syntax - CONTRIBUTING.md: TinyGo dev env, component scaffolding, submission flow - Security audit: no InkStone internal URLs/IDs in committed files - .gitignore: exclude credentials.yaml, .wrangler, *.wasm https://claude.ai/code/session_01BnCdSLVH8tUed9VrrPavgT
This commit is contained in:
Claude
@@ -0,0 +1,62 @@
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canonical_id: "http_request"
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display_name: "HTTP 請求"
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category: "api"
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version: "v1"
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wasi_target: "preview1"
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stability: "floating"
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runtime_compat:
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- "cf-workers"
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- "workerd"
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- "wazero"
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constraints:
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max_size_kb: 2048
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max_cold_start_ms: 50
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no_network_syscall: true
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no_filesystem_syscall: true
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io_model: "stdin_stdout_json"
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input_schema:
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type: object
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required: [url]
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properties:
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url:
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type: string
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description: 目標 URL（必填）
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method:
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type: string
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description: HTTP 方法（GET / POST / PUT / DELETE 等），預設 GET
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default: GET
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headers:
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type: object
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description: 自訂 HTTP headers（key-value 物件）
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additionalProperties:
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type: string
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body:
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description: 請求 body（任意 JSON）
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output_schema:
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type: object
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properties:
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success:
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type: boolean
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data:
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type: object
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properties:
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body:
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type: string
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description: HTTP 回應 body（字串）
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gherkin_tests:
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- scenario: "缺少 url"
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given: '{"method":"GET"}'
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then_contains: '{"success":false'
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- scenario: "基本 GET 請求"
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given: '{"url":"https://example.com"}'
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then_contains: '{"success":true'
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tags: [integration, http, request, api]
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description: "發送任意 HTTP 請求並回傳 status 與 body。透過 host function 呼叫，.wasm 本身不含網路 syscall。headers 由用戶手動填入。"
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config_example: |
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http_call: # 節點名稱（可自訂）
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url: "" # 目標 URL（必填）
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method: "GET" # HTTP 方法（選填，預設 GET）
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headers: # 自訂 headers（選填，用戶手動填入）
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Content-Type: "application/json"
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Authorization: "Bearer <your_token>"
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body: {} # 請求 body（選填）
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@@ -0,0 +1,3 @@
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module component
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go 1.21
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@@ -0,0 +1,100 @@
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// http_request — 發送任意 HTTP 請求，回傳 status + body
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// 透過 host function 發出 HTTP，.wasm 本身不含網路 syscall
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//
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//go:build tinygo
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package main
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import (
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"encoding/json"
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"io"
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"os"
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"unsafe"
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)
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// host function 宣告（由 WASI shim 注入）
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//
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//go:wasmimport u6u http_request
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func hostHttpRequest(
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urlPtr uintptr, urlLen uint32,
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methodPtr uintptr, methodLen uint32,
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headersPtr uintptr, headersLen uint32,
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bodyPtr uintptr, bodyLen uint32,
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outPtr uintptr, outLenPtr uintptr,
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) uint32
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type Input struct {
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URL string `json:"url"`
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Method string `json:"method"`
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Headers map[string]string `json:"headers"`
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Body json.RawMessage `json:"body"`
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}
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func main() {
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raw, err := io.ReadAll(os.Stdin)
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if err != nil {
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writeError("failed to read stdin: " + err.Error())
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return
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}
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var input Input
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if err := json.Unmarshal(raw, &input); err != nil {
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writeError("invalid input JSON: " + err.Error())
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return
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}
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if input.URL == "" {
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writeError("url 必填")
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return
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}
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method := input.Method
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if method == "" {
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method = "GET"
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}
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// 序列化 headers
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headersJSON := "{}"
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if len(input.Headers) > 0 {
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b, _ := json.Marshal(input.Headers)
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headersJSON = string(b)
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}
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// body
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bodyStr := ""
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if len(input.Body) > 0 {
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bodyStr = string(input.Body)
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}
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// 呼叫 host function
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urlBytes := []byte(input.URL)
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methodBytes := []byte(method)
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headersBytes := []byte(headersJSON)
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bodyBytes := []byte(bodyStr)
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outBuf := make([]byte, 65536) // 64KB output buffer
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var outLen uint32
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result := hostHttpRequest(
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uintptr(unsafe.Pointer(&urlBytes[0])), uint32(len(urlBytes)),
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uintptr(unsafe.Pointer(&methodBytes[0])), uint32(len(methodBytes)),
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uintptr(unsafe.Pointer(&headersBytes[0])), uint32(len(headersBytes)),
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uintptr(unsafe.Pointer(&bodyBytes[0])), uint32(len(bodyBytes)),
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uintptr(unsafe.Pointer(&outBuf[0])), uintptr(unsafe.Pointer(&outLen)),
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)
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if result != 0 {
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writeError("HTTP request failed")
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return
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}
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responseStr := string(outBuf[:outLen])
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out, _ := json.Marshal(map[string]interface{}{
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"success": true,
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"data": map[string]interface{}{"body": responseStr},
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})
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os.Stdout.Write(out)
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}
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func writeError(msg string) {
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out, _ := json.Marshal(map[string]interface{}{"success": false, "error": msg})
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os.Stdout.Write(out)
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}
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