diff --git a/.beads/issues.jsonl b/.beads/issues.jsonl
index 5f20bf0..4725efc 100644
--- a/.beads/issues.jsonl
+++ b/.beads/issues.jsonl
@@ -1,5 +1,6 @@
 {"id":"kanboard-1cb","title":"Investigate MoveTaskPosition generic error message","description":"## Context\n\nThis is an investigation task to determine if a problem in the `hqcli` tool (which uses this library) has its root cause here.\n\nThe `kb ticket move` command in hqcli fails with an unhelpful error:\n\n```\n❯ dist/hqcli kb ticket move 3765\n2026/01/27 11:02:43 Fehler beim Verschieben des Tickets: moveTaskPosition: failed to move task 3765\n```\n\n## Library Behavior\n\nLooking at `tasks.go:131-150`, the `MoveTaskPosition` function:\n\n```go\nfunc (c *Client) MoveTaskPosition(...) error {\n    // ...\n    var success bool\n    if err := c.call(ctx, \"moveTaskPosition\", params, \u0026success); err != nil {\n        return fmt.Errorf(\"moveTaskPosition: %w\", err)\n    }\n\n    if !success {\n        return fmt.Errorf(\"moveTaskPosition: failed to move task %d\", taskID)  // \u003c-- generic error\n    }\n    return nil\n}\n```\n\nWhen the API returns `false`, the error message is completely generic with no actionable information.\n\n## Investigation Needed\n\n1. **API Response Analysis**: What does Kanboard actually return when `moveTaskPosition` fails?\n   - Does it include an error message in the JSON-RPC response?\n   - Is the `false` result the only indication of failure?\n\n2. **Possible Causes for API returning false**:\n   - Invalid column/project combination\n   - Permission issues\n   - Task doesn't exist\n   - Position 0 might have different semantics than documented\n\n3. **Documentation Check**: [Kanboard API docs](https://docs.kanboard.org/v1/api/task_procedures/#movetaskposition)\n\n## Potential Improvements\n\nIf the API provides no additional details, consider:\n- Adding debug logging to show the full API response\n- Checking if the task/column/project exist before calling\n- Providing a more descriptive error: \"moveTaskPosition returned false - verify task exists, column belongs to project, and user has permission\"\n\n## Acceptance Criteria\n\n- [ ] Root cause identified (is it library issue or hqcli usage issue?)\n- [ ] If library issue: improve error message or error handling\n- [ ] Document findings","status":"closed","priority":2,"issue_type":"task","owner":"mail@oliverjakoubek.de","created_at":"2026-01-27T11:05:16.089428488+01:00","created_by":"Oliver Jakoubek","updated_at":"2026-01-27T11:11:58.26724838+01:00","closed_at":"2026-01-27T11:11:58.26724838+01:00","close_reason":"Closed"}
 {"id":"kanboard-1ov","title":"Add GetColorList for available task colors","description":"## Context\n\nTask colors are already partially supported in the library:\n- `ColorID` field exists in the `Task` type\n- `WithColor()` works for task creation via `TaskParams`\n- `SetColor()` works for task updates via `TaskUpdateParams`\n\nHowever, there's no way to query the available colors from the Kanboard instance.\n\n## Missing Feature\n\nThe Kanboard API provides `getColorList` in the [Application Procedures](https://docs.kanboard.org/v1/api/application_procedures/):\n\n```\nRequest:\n{\"jsonrpc\": \"2.0\", \"method\": \"getColorList\", \"id\": 1}\n\nResponse:\n{\n    \"jsonrpc\": \"2.0\",\n    \"id\": 1,\n    \"result\": {\n        \"yellow\": \"Yellow\",\n        \"blue\": \"Blue\",\n        \"green\": \"Green\",\n        ...\n    }\n}\n```\n\n## Implementation\n\nCreate a new file `application.go` with:\n\n```go\n// GetColorList returns the available task colors.\n// Returns a map of color_id to display name.\nfunc (c *Client) GetColorList(ctx context.Context) (map[string]string, error) {\n    var result map[string]string\n    if err := c.call(ctx, \"getColorList\", nil, \u0026result); err != nil {\n        return nil, fmt.Errorf(\"getColorList: %w\", err)\n    }\n    return result, nil\n}\n```\n\n## Files to Create/Modify\n\n- `application.go` - New file with `GetColorList()`\n- `application_test.go` - Tests for the new function\n\n## Acceptance Criteria\n\n- [ ] `GetColorList()` returns map of color_id to display name\n- [ ] Works with standard Kanboard color set\n- [ ] Tests written and passing","status":"closed","priority":3,"issue_type":"feature","owner":"mail@oliverjakoubek.de","created_at":"2026-01-27T12:11:00.218309278+01:00","created_by":"Oliver Jakoubek","updated_at":"2026-01-27T12:13:06.411067375+01:00","closed_at":"2026-01-27T12:13:06.411067375+01:00","close_reason":"Closed"}
+{"id":"kanboard-3pe","title":"Add DateMoved timestamp field to Task struct","description":"The Task struct in `types.go` is missing the `date_moved` timestamp that Kanboard returns when a task is moved between columns or swimlanes.\n\n## Background\n\nKanboard tracks when a task was last moved with the `date_moved` field. This timestamp is returned in API responses but is currently not captured by the Go client's Task struct.\n\n## Implementation\n\nAdd the following field to the Task struct in `types.go`:\n\n```go\nDateMoved Timestamp `json:\"date_moved\"`\n```\n\nThis should be added alongside the other date fields (after `DateDue` for consistency with the grouping of timestamp fields).\n\n## Acceptance Criteria\n\n- [ ] `DateMoved` field added to `Task` struct in `types.go`\n- [ ] Field uses `Timestamp` type with JSON tag `json:\"date_moved\"`\n- [ ] All existing tests pass\n- [ ] Field is properly handled in all task-related operations (read/unmarshal)","status":"closed","priority":2,"issue_type":"task","owner":"mail@oliverjakoubek.de","created_at":"2026-01-28T12:05:50.949698791+01:00","created_by":"Oliver Jakoubek","updated_at":"2026-01-28T12:09:01.530912406+01:00","closed_at":"2026-01-28T12:09:01.530912406+01:00","close_reason":"Closed"}
 {"id":"kanboard-7es","title":"JSON-RPC Request-ID: Zufälligen Wert statt fester 1 verwenden","description":"## Kontext\n\nIn jedem JSON-RPC Request an die Kanboard-API wird im Root-Objekt ein Feld `id` mitgeliefert. Dieses dient dazu, bei asynchroner Kommunikation Request und Response einander zuordnen zu können – die API liefert diese ID in der Antwort zurück.\n\n**Aktuell:** Die ID ist fest auf `1` gesetzt.\n\n## Anforderung\n\n1. **Wenn keine ID von außen gesetzt wird:** Die Library soll intern einen zufälligen Wert generieren\n2. **API-Dokumentation prüfen:** Welche Werte sind erlaubt? Welche Größenordnung? (vermutlich Integer)\n3. **Signatur beibehalten:** Die öffentliche API der Library-Funktionen soll unverändert bleiben\n4. **Interne Generierung:** Die Library bestimmt selbst einen zufälligen Wert\n\n## Implementierungshinweise\n\n- Prüfen: Kanboard JSON-RPC Dokumentation bezüglich erlaubter ID-Werte\n- Vermutlich: `int64` oder `int32` Range\n- Zufallsgenerator: `math/rand` mit Seed oder `crypto/rand` für bessere Verteilung\n- Ggf. bestehende `requestIDCounter` in `jsonrpc.go` (Zeile 40) anpassen oder ersetzen\n\n## Beispiel\n\n**Vorher (immer gleich):**\n```json\n{\"jsonrpc\": \"2.0\", \"method\": \"getTask\", \"id\": 1, \"params\": {...}}\n```\n\n**Nachher (zufällig):**\n```json\n{\"jsonrpc\": \"2.0\", \"method\": \"getTask\", \"id\": 847291536, \"params\": {...}}\n```\n\n## Referenz\n\n- Datei: `jsonrpc.go`\n- Zeile 17: `ID int64 \\`json:\"id\"\\``\n- Zeile 40: `requestIDCounter` (existiert bereits)","status":"closed","priority":2,"issue_type":"feature","owner":"mail@oliverjakoubek.de","created_at":"2026-01-23T17:44:51.566737509+01:00","created_by":"Oliver Jakoubek","updated_at":"2026-01-27T10:21:06.415129879+01:00","closed_at":"2026-01-27T10:21:06.415129879+01:00","close_reason":"Closed"}
 {"id":"kanboard-9wa","title":"Support custom authentication header name","description":"## Description\n\nKanboard supports using an alternative HTTP header for authentication when the server has specific configuration requirements.\n\nCurrently, authentication uses the standard `Authorization` header via Go's `SetBasicAuth()`. This needs to be configurable so users can specify a custom header name (e.g., `X-API-Auth`).\n\n## Requirements\n\n- Add an optional configuration parameter for custom auth header name\n- Default to standard `Authorization` header if not specified\n- When custom header is set, use that header name instead of `Authorization`\n- The header value format should remain the same (Basic Auth base64-encoded credentials)\n\n## Acceptance Criteria\n\n- [ ] New client configuration method (e.g., `WithAuthHeader(headerName string)`)\n- [ ] Default behavior unchanged when no custom header specified\n- [ ] Custom header name is used when configured\n- [ ] Works with both API token and basic auth\n- [ ] Tests cover default and custom header scenarios\n\n## Reference\n\nKanboard API documentation: \"You can use an alternative HTTP header for authentication if your server has a very specific configuration.\"","status":"closed","priority":2,"issue_type":"feature","owner":"mail@oliverjakoubek.de","created_at":"2026-01-23T18:08:31.507616093+01:00","created_by":"Oliver Jakoubek","updated_at":"2026-01-23T18:26:50.40804952+01:00","closed_at":"2026-01-23T18:26:50.40804952+01:00","close_reason":"Closed"}
 {"id":"kanboard-a7x","title":"Handle URLs already ending in /jsonrpc.php","description":"## Context\n\nThe `NewClient()` function in `client.go` always appends `/jsonrpc.php` to the base URL. This causes issues when users pass a URL that already includes the endpoint path.\n\n## Problem\n\nIf a user calls:\n```go\nclient := kanboard.NewClient(\"https://example.com/jsonrpc.php\")\n```\n\nThe resulting endpoint becomes `https://example.com/jsonrpc.php/jsonrpc.php`, which fails.\n\n## Solution\n\nModify `NewClient()` to detect and handle URLs that already end in `/jsonrpc.php`:\n\n```go\nfunc NewClient(baseURL string) *Client {\n    // Ensure no trailing slash\n    baseURL = strings.TrimSuffix(baseURL, \"/\")\n\n    // Handle URLs that already include /jsonrpc.php\n    endpoint := baseURL\n    if !strings.HasSuffix(baseURL, \"/jsonrpc.php\") {\n        endpoint = baseURL + \"/jsonrpc.php\"\n    }\n\n    c := \u0026Client{\n        baseURL:  baseURL,\n        endpoint: endpoint,\n    }\n    // ... rest unchanged\n}\n```\n\n## Files to Modify\n\n- `client.go` - Update `NewClient()` to check for existing `/jsonrpc.php` suffix\n\n## Acceptance Criteria\n\n- [ ] `NewClient(\"https://example.com\")` → endpoint `https://example.com/jsonrpc.php`\n- [ ] `NewClient(\"https://example.com/\")` → endpoint `https://example.com/jsonrpc.php`\n- [ ] `NewClient(\"https://example.com/jsonrpc.php\")` → endpoint `https://example.com/jsonrpc.php`\n- [ ] `NewClient(\"https://example.com/kanboard/jsonrpc.php\")` → endpoint `https://example.com/kanboard/jsonrpc.php`\n- [ ] Tests written and passing","status":"closed","priority":2,"issue_type":"bug","owner":"mail@oliverjakoubek.de","created_at":"2026-01-27T10:25:51.077352962+01:00","created_by":"Oliver Jakoubek","updated_at":"2026-01-27T10:27:15.189568683+01:00","closed_at":"2026-01-27T10:27:15.189568683+01:00","close_reason":"Closed"}
diff --git a/types.go b/types.go
index 7c330f0..72d7c80 100644
--- a/types.go
+++ b/types.go
@@ -165,6 +165,7 @@ type Task struct {
 	DateCompleted       Timestamp  `json:"date_completed"`
 	DateStarted         Timestamp  `json:"date_started"`
 	DateDue             Timestamp  `json:"date_due"`
+	DateMoved           Timestamp  `json:"date_moved"`
 	ColorID             string     `json:"color_id"`
 	ProjectID           StringInt  `json:"project_id"`
 	ColumnID            StringInt  `json:"column_id"`