arcrun — AI workflow execution engine (clean history)
Self-hosted 開源：WASM 零件 + recipe + cypher-executor，跑在你自己的 Cloudflare。 此為重建的乾淨歷史起點（移除曾誤 commit 的 GCP SA 金鑰，舊歷史保留在 richblack/arcrun 與本地 backup 分支）。含： - acr init --self-hosted installer（建 KV/R2 + codeload 拉預編譯 wasm + wrangler deploy + seed recipe） - recipe push 把關（資料外流提醒 + 打通檢查） - 19 個正當零件預編譯 wasm（claude_api/km_writer/kbdb_upsert_block 排除：違反 DECISIONS §1） - CLI / cypher-executor / registry / 完整 SDD Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
uncle6me-web
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// km_writer — 讀寫 Mira leo-graph（journals + pages）
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// 透過 host function 呼叫 Mira /km/* API
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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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"fmt"
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"io"
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"os"
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"unsafe"
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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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// Input actions:
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// read_journal — GET today's journal (requires: mira_url, token)
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// read_journal_date — GET journal by date (requires: mira_url, token, date)
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// append_journal — POST append entry (requires: mira_url, token, content; optional: timestamp)
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// list_pages — GET all pages (requires: mira_url, token)
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// read_page — GET page by name (requires: mira_url, token, name)
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// write_page — PUT write page (requires: mira_url, token, name, content)
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type Input struct {
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Action string `json:"action"`
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MiraURL string `json:"mira_url"`
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Token string `json:"token"`
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Content string `json:"content"`
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Timestamp string `json:"timestamp"`
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Date string `json:"date"`
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Name string `json:"name"`
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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 inp Input
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if err := json.Unmarshal(raw, &inp); 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 inp.Action == "" {
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writeError("action 必填")
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return
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}
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if inp.MiraURL == "" {
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writeError("mira_url 必填")
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return
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}
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if inp.Token == "" {
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writeError("token 必填")
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return
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}
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authHeader := fmt.Sprintf(`{"Authorization":"Bearer %s","Content-Type":"application/json"}`, inp.Token)
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switch inp.Action {
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case "read_journal":
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result := doRequest(inp.MiraURL+"/km/journal", "GET", authHeader, "")
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os.Stdout.Write(result)
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case "read_journal_date":
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if inp.Date == "" {
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writeError("date 必填（格式 YYYY-MM-DD）")
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return
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}
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result := doRequest(inp.MiraURL+"/km/journal/"+inp.Date, "GET", authHeader, "")
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os.Stdout.Write(result)
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case "append_journal":
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if inp.Content == "" {
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writeError("content 必填")
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return
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}
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bodyMap := map[string]string{"content": inp.Content}
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if inp.Timestamp != "" {
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bodyMap["timestamp"] = inp.Timestamp
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}
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bodyBytes, _ := json.Marshal(bodyMap)
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result := doRequest(inp.MiraURL+"/km/journal", "POST", authHeader, string(bodyBytes))
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os.Stdout.Write(result)
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case "list_pages":
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result := doRequest(inp.MiraURL+"/km/pages", "GET", authHeader, "")
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os.Stdout.Write(result)
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case "read_page":
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if inp.Name == "" {
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writeError("name 必填")
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return
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}
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result := doRequest(inp.MiraURL+"/km/page/"+inp.Name, "GET", authHeader, "")
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os.Stdout.Write(result)
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case "write_page":
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if inp.Name == "" {
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writeError("name 必填")
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return
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}
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if inp.Content == "" {
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writeError("content 必填")
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return
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}
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bodyMap := map[string]string{"content": inp.Content}
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bodyBytes, _ := json.Marshal(bodyMap)
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result := doRequest(inp.MiraURL+"/km/page/"+inp.Name, "PUT", authHeader, string(bodyBytes))
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os.Stdout.Write(result)
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default:
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writeError("未知 action: " + inp.Action)
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}
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}
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func doRequest(url, method, headersJSON, body string) []byte {
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urlBytes := []byte(url)
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methodBytes := []byte(method)
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headersBytes := []byte(headersJSON)
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bodyBytes := []byte(body)
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outBuf := make([]byte, 131072) // 128KB
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var outLen uint32
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if len(bodyBytes) == 0 {
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bodyBytes = []byte{}
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}
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var bodyPtr uintptr
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var bodyLen uint32
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if len(bodyBytes) > 0 {
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bodyPtr = uintptr(unsafe.Pointer(&bodyBytes[0]))
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bodyLen = uint32(len(bodyBytes))
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}
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code := 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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bodyPtr, bodyLen,
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uintptr(unsafe.Pointer(&outBuf[0])), uintptr(unsafe.Pointer(&outLen)),
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)
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if code != 0 {
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out, _ := json.Marshal(map[string]interface{}{"success": false, "error": "HTTP request failed"})
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return out
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}
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responseStr := string(outBuf[:outLen])
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// Try to parse the response as JSON to forward it
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var parsed interface{}
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if err := json.Unmarshal([]byte(responseStr), &parsed); err != nil {
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// Not JSON — wrap it
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out, _ := json.Marshal(map[string]interface{}{"success": true, "data": responseStr})
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return out
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}
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// Forward the parsed response as-is, wrapped in success
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out, _ := json.Marshal(map[string]interface{}{"success": true, "data": parsed})
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return 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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