feat: implement amp AI tool support and replace Taskfile with Magev0.10.0

- Add amp as default AI tool for release notes and showcase generation
- Fallback chain: amp → hexai → claude → aichat
- Replace Taskfile.yaml with magefile.go for build automation
- Update all documentation (README.md, AGENTS.md, doc/development.md)
- Update version to 0.10.0

Amp-Thread-ID: https://ampcode.com/threads/T-735ba1e2-0255-4b43-8ed1-6c0d2f78301b
Co-authored-by: Amp <amp@ampcode.com>

1 files changed, 64 insertions, 64 deletions

diff --git a/internal/github/github.go b/internal/github/github.go
index 5bcc4f1..238b486 100644
--- a/internal/github/github.go
+++ b/internal/github/github.go
@@ -196,79 +196,79 @@ func (c *Client) CreateRepo(repoName, description string, private bool) error {
 
 // HasToken returns whether a token is configured
 func (c *Client) HasToken() bool {
-    return c.token != ""
+	return c.token != ""
 }
 
 // GetRepo fetches a single repository by name
 // Returns the repository, a boolean indicating existence, and an error
 func (c *Client) GetRepo(repoName string) (Repository, bool, error) {
-    var repo Repository
-    if c.token == "" {
-        return repo, false, fmt.Errorf("GitHub token required")
-    }
-
-    url := fmt.Sprintf("https://api.github.com/repos/%s/%s", c.org, repoName)
-    req, err := http.NewRequest("GET", url, nil)
-    if err != nil {
-        return repo, false, err
-    }
-    req.Header.Set("Authorization", "Bearer "+c.token)
-    req.Header.Set("Accept", "application/vnd.github.v3+json")
-
-    resp, err := http.DefaultClient.Do(req)
-    if err != nil {
-        return repo, false, err
-    }
-    defer resp.Body.Close()
-
-    if resp.StatusCode == 404 {
-        return repo, false, nil
-    }
-    if resp.StatusCode != 200 {
-        body, _ := io.ReadAll(resp.Body)
-        return repo, false, fmt.Errorf("failed to get repo: status %d: %s", resp.StatusCode, string(body))
-    }
-
-    if err := json.NewDecoder(resp.Body).Decode(&repo); err != nil {
-        return repo, false, fmt.Errorf("failed to decode repo: %w", err)
-    }
-    return repo, true, nil
+	var repo Repository
+	if c.token == "" {
+		return repo, false, fmt.Errorf("GitHub token required")
+	}
+
+	url := fmt.Sprintf("https://api.github.com/repos/%s/%s", c.org, repoName)
+	req, err := http.NewRequest("GET", url, nil)
+	if err != nil {
+		return repo, false, err
+	}
+	req.Header.Set("Authorization", "Bearer "+c.token)
+	req.Header.Set("Accept", "application/vnd.github.v3+json")
+
+	resp, err := http.DefaultClient.Do(req)
+	if err != nil {
+		return repo, false, err
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode == 404 {
+		return repo, false, nil
+	}
+	if resp.StatusCode != 200 {
+		body, _ := io.ReadAll(resp.Body)
+		return repo, false, fmt.Errorf("failed to get repo: status %d: %s", resp.StatusCode, string(body))
+	}
+
+	if err := json.NewDecoder(resp.Body).Decode(&repo); err != nil {
+		return repo, false, fmt.Errorf("failed to decode repo: %w", err)
+	}
+	return repo, true, nil
 }
 
 // UpdateRepoDescription updates the repository description
 func (c *Client) UpdateRepoDescription(repoName, description string) error {
-    if c.token == "" {
-        return fmt.Errorf("GitHub token required to update repository")
-    }
-
-    url := fmt.Sprintf("https://api.github.com/repos/%s/%s", c.org, repoName)
-    payload := map[string]interface{}{
-        "description": description,
-    }
-    body, err := json.Marshal(payload)
-    if err != nil {
-        return err
-    }
-
-    req, err := http.NewRequest("PATCH", url, bytes.NewBuffer(body))
-    if err != nil {
-        return err
-    }
-    req.Header.Set("Authorization", "Bearer "+c.token)
-    req.Header.Set("Accept", "application/vnd.github.v3+json")
-    req.Header.Set("Content-Type", "application/json")
-
-    resp, err := http.DefaultClient.Do(req)
-    if err != nil {
-        return err
-    }
-    defer resp.Body.Close()
-
-    if resp.StatusCode != 200 {
-        b, _ := io.ReadAll(resp.Body)
-        return fmt.Errorf("failed to update GitHub description: %s - %s", resp.Status, string(b))
-    }
-    return nil
+	if c.token == "" {
+		return fmt.Errorf("GitHub token required to update repository")
+	}
+
+	url := fmt.Sprintf("https://api.github.com/repos/%s/%s", c.org, repoName)
+	payload := map[string]interface{}{
+		"description": description,
+	}
+	body, err := json.Marshal(payload)
+	if err != nil {
+		return err
+	}
+
+	req, err := http.NewRequest("PATCH", url, bytes.NewBuffer(body))
+	if err != nil {
+		return err
+	}
+	req.Header.Set("Authorization", "Bearer "+c.token)
+	req.Header.Set("Accept", "application/vnd.github.v3+json")
+	req.Header.Set("Content-Type", "application/json")
+
+	resp, err := http.DefaultClient.Do(req)
+	if err != nil {
+		return err
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != 200 {
+		b, _ := io.ReadAll(resp.Body)
+		return fmt.Errorf("failed to update GitHub description: %s - %s", resp.Status, string(b))
+	}
+	return nil
 }
 
 // Repository represents a GitHub repository