Merge pull request #75 from LazyBachelor/LPM-140

LPM-140 The Sprinting Update
Adds sprint support across the web UI (board + issue detail), TUI kanban, CLI/REPL, and the Beads-backed storage layer.

Changes:

Introduces sprint entities in storage and exposes sprint operations via IssueService.
Updates web board to support backlog vs. sprint columns, sprint selection, and sprint creation routes.
Updates TUI kanban to show backlog + sprint columns and adds sprint selection/creation actions.

pkg/tui/components/helpbar.go

@@ -211,11 +211,13 @@ func helpBarConfig(view ViewKind) HelpBarConfig {
 				{Key: "↑/k", Desc: "up"},
 				{Key: "↓/j", Desc: "down"},
 				{Key: "/", Desc: "search"},
+				{Key: "n", Desc: "new sprint"},
+				{Key: "S", Desc: "select sprint"},
 				{Key: "pgup/pgdn", Desc: "page"},
 				{Key: "h/l", Desc: "column"},
 				{Key: "←/→", Desc: "move"},
 				{Key: "a", Desc: "add"},
-				{Key: "e/d/s/p/t/A", Desc: "edit"},
+				{Key: "e/d/s/p/t/A/", Desc: "edit"},
 				{Key: "x", Desc: "delete"},
 				{Key: "q", Desc: "quit"},
 				{Key: "?", Desc: "help"},
@@ -237,6 +239,8 @@ func helpBarConfig(view ViewKind) HelpBarConfig {
 				{Key: "p", Desc: "change priority"},
 				{Key: "t", Desc: "change type"},
 				{Key: "A", Desc: "change assignee"},
+				{Key: "S", Desc: "select sprint"},
+				{Key: "n", Desc: "new sprint"},
 				{Key: "q", Desc: "quit"},
 				{Key: "?", Desc: "help"},
 			},

pkg/tui/components/issue_list.go

@@ -247,8 +247,10 @@ func SortedIssues(issues []*models.Issue) []*models.Issue {
 func StatusOnly(issues []*models.Issue, status models.Status) []*models.Issue {
 	out := make([]*models.Issue, 0, len(issues))
 	for _, issue := range issues {
-		if issue.Status == status ||
-			(status == models.StatusOpen && issue.Status == models.StatusReadyToSprint) {
+		if issue == nil {
+			continue
+		}
+		if issue.Status == status {
 			out = append(out, issue)
 		}
 	}