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 +1,56 @@
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canonical_id: "if_control"
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display_name: "條件判斷"
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category: "logic"
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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: [condition]
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properties:
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condition:
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type: string
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description: 條件運算式，支援 key（truthy）、key == value、key > number、key < number
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input:
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type: object
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description: 條件運算式中參照的變數字典
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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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result:
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type: boolean
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branch:
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type: string
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enum: ["true", "false"]
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gherkin_tests:
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- scenario: "條件成立走 true 分支"
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given: '{"condition":"status == active","input":{"status":"active"}}'
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then_contains: '"branch":"true"'
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- scenario: "條件不成立走 false 分支"
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given: '{"condition":"status == active","input":{"status":"inactive"}}'
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then_contains: '"branch":"false"'
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- scenario: "缺少 condition"
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given: '{"input":{"status":"active"}}'
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then_contains: '{"success":false'
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tags: [builtin, control, if, condition, branch]
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description: "評估條件運算式，依結果路由到 true 或 false 分支。"
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config_example: |
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my_if: # 節點名稱（可自訂）
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condition: "status == active" # 條件運算式（必填）
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input: # 條件運算式中參照的變數字典（選填）
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status: "{{upstream.status}}"
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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 +1,138 @@
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// if_control — 單一條件判斷，true/false 兩個出口
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// condition 支援：key（truthy）、key == value、key > number、key < number
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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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"strconv"
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"strings"
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)
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type Input struct {
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Condition string `json:"condition"`
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Input map[string]interface{} `json:"input"`
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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.Condition == "" {
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writeError("condition 必填")
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return
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}
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result := evaluateCondition(input.Condition, input.Input)
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branch := "false"
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if result {
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branch = "true"
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}
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out, _ := json.Marshal(map[string]interface{}{
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"success": true,
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"data": map[string]interface{}{"result": result, "branch": branch},
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})
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os.Stdout.Write(out)
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}
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func toString(v interface{}) string {
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switch val := v.(type) {
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case string:
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return val
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case float64:
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return strconv.FormatFloat(val, 'f', -1, 64)
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case bool:
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if val {
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return "true"
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}
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return "false"
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case nil:
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return ""
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default:
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b, _ := json.Marshal(val)
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return string(b)
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}
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}
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func evaluateCondition(condition string, ctx map[string]interface{}) bool {
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if ctx == nil {
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return false
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}
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expr := strings.TrimSpace(condition)
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// key == value
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if idx := strings.Index(expr, "=="); idx > 0 {
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key := strings.TrimSpace(expr[:idx])
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expected := strings.Trim(strings.TrimSpace(expr[idx+2:]), `"'`)
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v, ok := ctx[key]
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if !ok {
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return false
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}
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return toString(v) == expected
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}
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// key > number
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if idx := strings.Index(expr, ">"); idx > 0 {
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key := strings.TrimSpace(expr[:idx])
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threshold, err := strconv.ParseFloat(strings.TrimSpace(expr[idx+1:]), 64)
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if err != nil {
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return false
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}
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v, ok := ctx[key]
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if !ok {
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return false
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}
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n, err := strconv.ParseFloat(toString(v), 64)
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if err != nil {
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return false
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}
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return n > threshold
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}
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// key < number
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if idx := strings.Index(expr, "<"); idx > 0 {
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key := strings.TrimSpace(expr[:idx])
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threshold, err := strconv.ParseFloat(strings.TrimSpace(expr[idx+1:]), 64)
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if err != nil {
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return false
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}
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v, ok := ctx[key]
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if !ok {
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return false
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}
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n, err := strconv.ParseFloat(toString(v), 64)
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if err != nil {
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return false
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}
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return n < threshold
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}
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// truthy check
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v, ok := ctx[expr]
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if !ok {
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return false
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}
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switch val := v.(type) {
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case bool:
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return val
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case string:
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return val != ""
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case float64:
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return val != 0
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case nil:
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return false
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default:
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return true
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}
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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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