feat(cli): enhance version command with JSON output and build info

Add --output json flag, build date, Go version, and OS/arch to the
version command. Update Makefile and goreleaser to inject build date.

.env.example

@@ -22,8 +22,6 @@ MULTICA_CODEX_WORKDIR=
 MULTICA_CODEX_TIMEOUT=20m
 
 # Email (Resend)
-# For local/dev use, leave RESEND_API_KEY empty — codes print to stdout, and master code 888888 works.
-# For production, set your Resend API key and change RESEND_FROM_EMAIL to a domain verified in your Resend account.
 RESEND_API_KEY=
 RESEND_FROM_EMAIL=noreply@multica.ai
 

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -1,39 +0,0 @@
-name: "Bug Report"
-description: Report a bug — something that's broken, crashes, or behaves incorrectly.
-title: "[Bug]: "
-labels: ["bug"]
-body:
-  - type: textarea
-    id: description
-    attributes:
-      label: What happened?
-      description: Describe the bug and what you expected instead. Screenshots, error messages, or screen recordings are welcome.
-      placeholder: |
-        When I do X, Y happens. I expected Z instead.
-    validations:
-      required: true
-
-  - type: textarea
-    id: reproduction
-    attributes:
-      label: Steps to reproduce
-      description: How can we trigger this bug?
-      placeholder: |
-        1. Go to '...'
-        2. Click on '...'
-        3. See error
-    validations:
-      required: true
-
-  - type: textarea
-    id: screenshots
-    attributes:
-      label: Screenshots (optional)
-      description: If applicable, add screenshots or screen recordings to help explain the problem.
-
-  - type: textarea
-    id: context
-    attributes:
-      label: Additional context (optional)
-      description: Environment info, logs, or anything else that might help.
-      render: shell

.github/ISSUE_TEMPLATE/config.yml

@@ -1 +0,0 @@
-blank_issues_enabled: true

.github/ISSUE_TEMPLATE/feature_request.yml

@@ -1,26 +0,0 @@
-name: "Feature Request"
-description: Suggest a new feature or improvement.
-title: "[Feature]: "
-labels: ["enhancement"]
-body:
-  - type: textarea
-    id: description
-    attributes:
-      label: What do you want and why?
-      description: Describe the problem you're trying to solve or the improvement you'd like to see.
-      placeholder: |
-        I'm trying to do X but there's no way to...
-    validations:
-      required: true
-
-  - type: textarea
-    id: solution
-    attributes:
-      label: Proposed solution (optional)
-      description: If you have an idea for how this should work, describe it here.
-
-  - type: textarea
-    id: screenshots
-    attributes:
-      label: Screenshots / mockups (optional)
-      description: If applicable, add screenshots, mockups, or sketches to illustrate your idea.

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,56 +1,34 @@
-## What does this PR do?
+## What
 
-<!-- Describe the change clearly. What problem does it solve? Why is this approach the right one? -->
+<!-- What does this PR do? Keep it to 1-3 sentences. -->
 
+## Why
 
+<!-- Why is this change needed? Link the related issue. -->
 
-## Related Issue
-
-<!-- Link the issue this PR addresses. If no issue exists, consider creating one first. -->
-
-Closes #
+Closes #<!-- issue number -->
 
 ## Type of Change
 
-- [ ] Bug fix (non-breaking change that fixes an issue)
-- [ ] New feature (non-breaking change that adds functionality)
-- [ ] Refactor / code improvement (no behavior change)
-- [ ] Documentation update
-- [ ] Tests (adding or improving test coverage)
+- [ ] Bug fix
+- [ ] New feature
+- [ ] Refactor / code improvement
+- [ ] Documentation
 - [ ] CI / infrastructure
-
-## Changes Made
-
-<!-- List the specific changes. Include file paths for code changes. -->
-
--
+- [ ] Other (describe below)
 
 ## How to Test
 
-<!-- Steps to verify this change works. For bugs: reproduction steps + proof that the fix works. -->
-
-1.
-2.
-3.
+<!-- How can a reviewer verify this works? Steps, commands, or screenshots. -->
 
 ## Checklist
 
-- [ ] I searched for [existing PRs](https://github.com/multica-ai/multica/pulls) to make sure this isn't a duplicate
-- [ ] My commit messages follow [Conventional Commits](https://www.conventionalcommits.org/) (`fix(scope):`, `feat(scope):`, etc.)
 - [ ] `make check` passes (typecheck, unit tests, Go tests, E2E)
 - [ ] Changes follow existing code patterns and conventions
 - [ ] No unrelated changes included
 
-## AI Disclosure
+## AI Disclosure (optional)
 
-<!-- Most PRs involve AI coding tools — that's totally fine! We're curious about your process. -->
-
-**AI tool used:** <!-- e.g. Claude Code, Cursor, GitHub Copilot, Multica Agent, N/A -->
-
-**Prompt / approach:**
-<!-- How did you use AI to produce this code? Share your prompt, conversation link, or describe your approach. This helps the team learn from each other's AI workflows. -->
-
-
-## Screenshots (optional)
-
-<!-- If applicable, add screenshots showing the change in action. -->
+<!-- If AI tools were used: -->
+<!-- - Which tool? (e.g., Claude Code, Copilot, Cursor) -->
+<!-- - What prompt did you use? Sharing your prompt helps others learn and lets reviewers understand intent. -->

README.md

@@ -18,6 +18,7 @@ The open-source managed agents platform.<br/>
 Turn coding agents into real teammates — assign tasks, track progress, compound skills.
 
 [![CI](https://github.com/multica-ai/multica/actions/workflows/ci.yml/badge.svg)](https://github.com/multica-ai/multica/actions/workflows/ci.yml)
+[![License](https://img.shields.io/badge/License-Apache_2.0-blue.svg)](https://opensource.org/licenses/Apache-2.0)
 [![GitHub stars](https://img.shields.io/github/stars/multica-ai/multica?style=flat)](https://github.com/multica-ai/multica/stargazers)
 
 [Website](https://multica.ai) · [Cloud](https://multica.ai/app) · [X](https://x.com/multica_hq) · [Self-Hosting](SELF_HOSTING.md) · [Contributing](CONTRIBUTING.md)

README.zh-CN.md

@@ -18,6 +18,7 @@
 将编码 Agent 变成真正的队友——分配任务、跟踪进度、积累技能。
 
 [![CI](https://github.com/multica-ai/multica/actions/workflows/ci.yml/badge.svg)](https://github.com/multica-ai/multica/actions/workflows/ci.yml)
+[![License](https://img.shields.io/badge/License-Apache_2.0-blue.svg)](https://opensource.org/licenses/Apache-2.0)
 [![GitHub stars](https://img.shields.io/github/stars/multica-ai/multica?style=flat)](https://github.com/multica-ai/multica/stargazers)
 
 [官网](https://multica.ai) · [云服务](https://multica.ai/app) · [X](https://x.com/multica_hq) · [自部署指南](SELF_HOSTING.md) · [参与贡献](CONTRIBUTING.md)

apps/web/features/landing/components/landing-hero.tsx

@@ -1,6 +1,5 @@
 "use client";
 
-import { useCallback, useState } from "react";
 import Image from "next/image";
 import Link from "next/link";
 import { useAuthStore } from "@multica/core/auth";
@@ -53,8 +52,6 @@ export function LandingHero() {
                 GitHub
               </Link>
             </div>
-
-            <InstallCommand />
           </div>
 
           <div className="mt-10 flex items-center justify-center gap-8">
@@ -90,64 +87,6 @@ export function LandingHero() {
   );
 }
 
-const INSTALL_COMMAND =
-  "curl -fsSL https://raw.githubusercontent.com/multica-ai/multica/main/scripts/install.sh | bash";
-
-function InstallCommand() {
-  const [copied, setCopied] = useState(false);
-
-  const handleCopy = useCallback(async () => {
-    try {
-      await navigator.clipboard.writeText(INSTALL_COMMAND);
-      setCopied(true);
-      setTimeout(() => setCopied(false), 2000);
-    } catch {
-      // ignore
-    }
-  }, []);
-
-  return (
-    <div className="mx-auto mt-6 max-w-fit">
-      <button
-        type="button"
-        onClick={handleCopy}
-        className="group flex items-center gap-3 rounded-lg border border-white/10 bg-white/5 px-4 py-2.5 font-mono text-[13px] text-white/70 backdrop-blur-sm transition-colors hover:border-white/20 hover:bg-white/8 hover:text-white/90"
-      >
-        <span className="text-white/40">$</span>
-        <span className="select-all">{INSTALL_COMMAND}</span>
-        <span className="ml-1 flex size-5 shrink-0 items-center justify-center text-white/40 transition-colors group-hover:text-white/70">
-          {copied ? (
-            <svg
-              viewBox="0 0 24 24"
-              fill="none"
-              stroke="currentColor"
-              strokeWidth="2"
-              strokeLinecap="round"
-              strokeLinejoin="round"
-              className="size-3.5 text-green-400"
-            >
-              <polyline points="20 6 9 17 4 12" />
-            </svg>
-          ) : (
-            <svg
-              viewBox="0 0 24 24"
-              fill="none"
-              stroke="currentColor"
-              strokeWidth="2"
-              strokeLinecap="round"
-              strokeLinejoin="round"
-              className="size-3.5"
-            >
-              <rect x="9" y="9" width="13" height="13" rx="2" ry="2" />
-              <path d="M5 15H4a2 2 0 0 1-2-2V4a2 2 0 0 1 2-2h9a2 2 0 0 1 2 2v1" />
-            </svg>
-          )}
-        </span>
-      </button>
-    </div>
-  );
-}
-
 function LandingBackdrop() {
   return (
     <div className="pointer-events-none absolute inset-0">

server/internal/handler/auth.go

@@ -241,7 +241,6 @@ func (h *Handler) SendCode(w http.ResponseWriter, r *http.Request) {
 	}
 
 	if err := h.EmailService.SendVerificationCode(email, code); err != nil {
-		slog.Error("failed to send verification code", "email", email, "error", err)
 		writeError(w, http.StatusInternalServerError, "failed to send verification code")
 		return
 	}