feat(office): add Workspace TUI with shared bootstrap and test suite

Introduce the office Bubble Tea browser (module tree, multi-select lists,
markdown preview) alongside oo, with cmd/internal/bootstrap for shared auth,
unit tests across preview/model/ui/fetch, CI build for both binaries, and
GoReleaser archives for office.

Co-authored-by: Cursor <cursoragent@cursor.com>

cmd/office/preview/entity.go

@@ -0,0 +1,168 @@
+package preview
+
+import (
+	"fmt"
+	"html"
+	"regexp"
+	"strings"
+)
+
+var htmlTagRe = regexp.MustCompile(`<[^>]+>`)
+
+// ContactMarkdown formats a CRM contact or company for preview.
+func ContactMarkdown(m map[string]any) string {
+	name := str(m, "displayName")
+	if name == "" {
+		name = strings.TrimSpace(str(m, "firstName") + " " + str(m, "lastName"))
+	}
+	kind := "Person"
+	if boolVal(m, "isCompany") {
+		kind = "Company"
+	}
+	var b strings.Builder
+	fmt.Fprintf(&b, "# %s\n\n", name)
+	fmt.Fprintf(&b, "**Type:** %s\n\n", kind)
+	if about := str(m, "about"); about != "" {
+		fmt.Fprintf(&b, "## About\n\n%s\n\n", about)
+	}
+	appendInfoList(&b, m)
+	return strings.TrimSpace(b.String()) + "\n"
+}
+
+// OpportunityMarkdown formats a CRM deal for preview.
+func OpportunityMarkdown(m map[string]any) string {
+	var b strings.Builder
+	fmt.Fprintf(&b, "# %s\n\n", str(m, "title"))
+	if v := m["bidValue"]; v != nil {
+		fmt.Fprintf(&b, "**Value:** %v %s\n\n", v, str(m, "bidCurrency"))
+	}
+	if d := str(m, "description"); d != "" {
+		fmt.Fprintf(&b, "## Description\n\n%s\n\n", d)
+	}
+	return strings.TrimSpace(b.String()) + "\n"
+}
+
+// MailMarkdown formats a mail message for preview.
+func MailMarkdown(m map[string]any) string {
+	var b strings.Builder
+	fmt.Fprintf(&b, "# %s\n\n", str(m, "subject"))
+	fmt.Fprintf(&b, "**From:** %s\n\n", str(m, "from"))
+	if to := str(m, "to"); to != "" {
+		fmt.Fprintf(&b, "**To:** %s\n\n", to)
+	}
+	body := str(m, "body")
+	if body == "" {
+		body = str(m, "htmlBody")
+	}
+	body = stripHTML(body)
+	if body != "" {
+		fmt.Fprintf(&b, "## Body\n\n%s\n\n", body)
+	}
+	return strings.TrimSpace(b.String()) + "\n"
+}
+
+// EventMarkdown formats a calendar event for preview.
+func EventMarkdown(m map[string]any) string {
+	var b strings.Builder
+	fmt.Fprintf(&b, "# %s\n\n", str(m, "title"))
+	fmt.Fprintf(&b, "**Start:** %s\n\n", str(m, "start"))
+	fmt.Fprintf(&b, "**End:** %s\n\n", str(m, "end"))
+	if d := str(m, "description"); d != "" {
+		fmt.Fprintf(&b, "## Description\n\n%s\n\n", d)
+	}
+	return strings.TrimSpace(b.String()) + "\n"
+}
+
+// TaskMarkdown formats a project or CRM task for preview.
+func TaskMarkdown(m map[string]any) string {
+	var b strings.Builder
+	fmt.Fprintf(&b, "# %s\n\n", str(m, "title"))
+	if s := str(m, "status"); s != "" {
+		fmt.Fprintf(&b, "**Status:** %s\n\n", s)
+	}
+	if d := str(m, "deadline"); d != "" {
+		fmt.Fprintf(&b, "**Deadline:** %s\n\n", d)
+	}
+	if desc := str(m, "description"); desc != "" {
+		fmt.Fprintf(&b, "## Description\n\n%s\n\n", desc)
+	}
+	return strings.TrimSpace(b.String()) + "\n"
+}
+
+// ProjectMarkdown formats a project for preview.
+func ProjectMarkdown(m map[string]any) string {
+	var b strings.Builder
+	title := str(m, "title")
+	if title == "" {
+		title = str(m, "name")
+	}
+	fmt.Fprintf(&b, "# %s\n\n", title)
+	if s := str(m, "status"); s != "" {
+		fmt.Fprintf(&b, "**Status:** %s\n\n", s)
+	}
+	if d := str(m, "description"); d != "" {
+		fmt.Fprintf(&b, "## Description\n\n%s\n\n", d)
+	}
+	return strings.TrimSpace(b.String()) + "\n"
+}
+
+// EntityMarkdown picks a formatter based on item kind.
+func EntityMarkdown(kind string, m map[string]any) string {
+	switch kind {
+	case "contact", "person", "company":
+		return ContactMarkdown(m)
+	case "opportunity":
+		return OpportunityMarkdown(m)
+	case "mail":
+		return MailMarkdown(m)
+	case "event":
+		return EventMarkdown(m)
+	case "task", "crm_task":
+		return TaskMarkdown(m)
+	case "project":
+		return ProjectMarkdown(m)
+	default:
+		return mapToMarkdown(m)
+	}
+}
+
+func mapToMarkdown(m map[string]any) string {
+	var b strings.Builder
+	b.WriteString("# Details\n\n")
+	for k, v := range m {
+		fmt.Fprintf(&b, "- **%s:** %v\n", k, v)
+	}
+	return b.String()
+}
+
+func appendInfoList(b *strings.Builder, m map[string]any) {
+	if infos, ok := m["contactInfos"].([]any); ok && len(infos) > 0 {
+		b.WriteString("## Contact info\n\n")
+		for _, raw := range infos {
+			if row, ok := raw.(map[string]any); ok {
+				fmt.Fprintf(b, "- %s: %s\n", str(row, "infoType"), str(row, "data"))
+			}
+		}
+		b.WriteString("\n")
+	}
+}
+
+func stripHTML(s string) string {
+	s = htmlTagRe.ReplaceAllString(s, "")
+	return strings.TrimSpace(html.UnescapeString(s))
+}
+
+func str(m map[string]any, key string) string {
+	if v, ok := m[key].(string); ok {
+		return v
+	}
+	if m[key] == nil {
+		return ""
+	}
+	return fmt.Sprint(m[key])
+}
+
+func boolVal(m map[string]any, key string) bool {
+	v, ok := m[key].(bool)
+	return ok && v
+}