Add syncing

common/sync.go

@@ -0,0 +1,85 @@
+package common
+
+import (
+	"log/slog"
+
+	"tasksquire/taskwarrior"
+	"tasksquire/timewarrior"
+)
+
+// FindTaskByUUID queries Taskwarrior for a task with the given UUID.
+// Returns nil if not found.
+func FindTaskByUUID(tw taskwarrior.TaskWarrior, uuid string) *taskwarrior.Task {
+	if uuid == "" {
+		return nil
+	}
+
+	// Use empty report to query by UUID filter
+	report := &taskwarrior.Report{Name: ""}
+	tasks := tw.GetTasks(report, "uuid:"+uuid)
+
+	if len(tasks) > 0 {
+		return tasks[0]
+	}
+
+	return nil
+}
+
+// SyncIntervalToTask synchronizes a Timewarrior interval's state to the corresponding Taskwarrior task.
+// Action should be "start" or "stop".
+// This function is idempotent and handles edge cases gracefully.
+func SyncIntervalToTask(interval *timewarrior.Interval, tw taskwarrior.TaskWarrior, action string) {
+	if interval == nil {
+		return
+	}
+
+	// Extract UUID from interval tags
+	uuid := timewarrior.ExtractUUID(interval.Tags)
+	if uuid == "" {
+		slog.Debug("Interval has no UUID tag, skipping task sync",
+			"intervalID", interval.ID)
+		return
+	}
+
+	// Find corresponding task
+	task := FindTaskByUUID(tw, uuid)
+	if task == nil {
+		slog.Warn("Task not found for UUID, skipping sync",
+			"uuid", uuid)
+		return
+	}
+
+	// Perform sync action
+	switch action {
+	case "start":
+		// Start task if it's pending (idempotent - taskwarrior handles already-started tasks)
+		if task.Status == "pending" {
+			slog.Info("Starting Taskwarrior task from interval",
+				"uuid", uuid,
+				"description", task.Description,
+				"alreadyStarted", task.Start != "")
+			tw.StartTask(task)
+		} else {
+			slog.Debug("Task not pending, skipping start",
+				"uuid", uuid,
+				"status", task.Status)
+		}
+
+	case "stop":
+		// Only stop if task is pending and currently started
+		if task.Status == "pending" && task.Start != "" {
+			slog.Info("Stopping Taskwarrior task from interval",
+				"uuid", uuid,
+				"description", task.Description)
+			tw.StopTask(task)
+		} else {
+			slog.Debug("Task not started or not pending, skipping stop",
+				"uuid", uuid,
+				"status", task.Status,
+				"hasStart", task.Start != "")
+		}
+
+	default:
+		slog.Error("Unknown sync action", "action", action)
+	}
+}

components/autocomplete/autocomplete.go

@@ -89,6 +89,11 @@ func (a *Autocomplete) SetSuggestions(suggestions []string) {
 	a.updateFilteredSuggestions()
 }
 
+// HasSuggestions returns true if the autocomplete is currently showing suggestions
+func (a *Autocomplete) HasSuggestions() bool {
+	return a.showSuggestions && len(a.filteredSuggestions) > 0
+}
+
 // Init initializes the autocomplete
 func (a *Autocomplete) Init() tea.Cmd {
 	return textinput.Blink

components/picker/picker.go

@@ -36,6 +36,7 @@ type Picker struct {
 	onCreate        func(string) tea.Cmd
 	title           string
 	filterByDefault bool
+	defaultValue    string
 	baseItems       []list.Item
 	focused         bool
 }
@@ -54,6 +55,12 @@ func WithOnCreate(onCreate func(string) tea.Cmd) PickerOption {
 	}
 }
 
+func WithDefaultValue(value string) PickerOption {
+	return func(p *Picker) {
+		p.defaultValue = value
+	}
+}
+
 func (p *Picker) Focus() tea.Cmd {
 	p.focused = true
 	return nil
@@ -88,6 +95,7 @@ func New(
 	l.SetShowHelp(false)
 	l.SetShowStatusBar(false)
 	l.SetFilteringEnabled(true)
+	l.Filter = list.UnsortedFilter // Preserve item order, don't rank by match quality
 
 	// Custom key for filtering (insert mode)
 	l.KeyMap.Filter = key.NewBinding(
@@ -112,16 +120,24 @@ func New(
 		opt(p)
 	}
 
-	if p.filterByDefault {
+	// If a default value is provided, don't start in filter mode
-		// Manually trigger filter mode on the list so it doesn't require a global key press
+	if p.defaultValue != "" {
-		var cmd tea.Cmd
+		p.filterByDefault = false
-		p.list, cmd = p.list.Update(tea.KeyMsg{Type: tea.KeyRunes, Runes: []rune{'i'}})
-		// We can ignore the command here as it's likely just for blinking, which will happen on Init anyway
-		_ = cmd
 	}
 
+	if p.filterByDefault {
+		// Manually trigger filter mode on the list so it doesn't require a global key press
+		p.list, _ = p.list.Update(tea.KeyMsg{Type: tea.KeyRunes, Runes: []rune{'i'}})
+	}
+
+	// Refresh items after entering filter mode to ensure they're visible
 	p.Refresh()
 
+	// If a default value is provided, select the corresponding item
+	if p.defaultValue != "" {
+		p.SelectItemByFilterValue(p.defaultValue)
+	}
+
 	return p
 }
 
@@ -131,18 +147,22 @@ func (p *Picker) Refresh() tea.Cmd {
 }
 
 func (p *Picker) updateListItems() tea.Cmd {
-	items := p.baseItems
+	return p.updateListItemsWithFilter(p.list.FilterValue())
-	filterVal := p.list.FilterValue()
+}
+
+func (p *Picker) updateListItemsWithFilter(filterVal string) tea.Cmd {
+	items := make([]list.Item, 0, len(p.baseItems)+1)
+
+	// First add all base items
+	items = append(items, p.baseItems...)
 
 	if p.onCreate != nil && filterVal != "" {
+		// Add the creation item at the end (bottom of the list)
 		newItem := creationItem{
 			text:   "(new) " + filterVal,
 			filter: filterVal,
 		}
-		newItems := make([]list.Item, len(items)+1)
+		items = append(items, newItem)
-		copy(newItems, items)
-		newItems[len(items)] = newItem
-		items = newItems
 	}
 
 	return p.list.SetItems(items)
@@ -162,7 +182,9 @@ func (p *Picker) SetSize(width, height int) {
 }
 
 func (p *Picker) Init() tea.Cmd {
-	return nil
+	// Trigger list item update to ensure items are properly displayed,
+	// especially when in filter mode with an empty filter
+	return p.updateListItems()
 }
 
 func (p *Picker) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
@@ -171,17 +193,31 @@ func (p *Picker) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 	}
 
 	var cmd tea.Cmd
+	var cmds []tea.Cmd
 
 	switch msg := msg.(type) {
 	case tea.KeyMsg:
-		// If filtering, let the list handle keys (including Enter to stop filtering)
+		// If filtering, update items with predicted filter before list processes the key
 		if p.list.FilterState() == list.Filtering {
-			// if key.Matches(msg, p.common.Keymap.Ok) {
+			currentFilter := p.list.FilterValue()
-			// 	items := p.list.VisibleItems()
+			predictedFilter := currentFilter
-			// 	if len(items) == 1 {
+
-			// 		return p, p.handleSelect(items[0])
+			// Predict what the filter will be after this key
-			// 	}
+			switch msg.Type {
-			// }
+			case tea.KeyRunes:
+				predictedFilter = currentFilter + string(msg.Runes)
+			case tea.KeyBackspace:
+				if len(currentFilter) > 0 {
+					predictedFilter = currentFilter[:len(currentFilter)-1]
+				}
+			}
+
+			// Update items with predicted filter before list processes the message
+			if predictedFilter != currentFilter {
+				preCmd := p.updateListItemsWithFilter(predictedFilter)
+				cmds = append(cmds, preCmd)
+			}
+
 			break // Pass to list.Update
 		}
 
@@ -195,15 +231,10 @@ func (p *Picker) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 		}
 	}
 
-	prevFilter := p.list.FilterValue()
 	p.list, cmd = p.list.Update(msg)
+	cmds = append(cmds, cmd)
 
-	if p.list.FilterValue() != prevFilter {
+	return p, tea.Batch(cmds...)
-		updateCmd := p.updateListItems()
-		return p, tea.Batch(cmd, updateCmd)
-	}
-
-	return p, cmd
 }
 
 func (p *Picker) handleSelect(item list.Item) tea.Cmd {

on-modify.timewarrior

@@ -0,0 +1,118 @@
+#!/usr/bin/env python3
+
+###############################################################################
+#
+# Copyright 2016 - 2021, 2023, Gothenburg Bit Factory
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+#
+# https://www.opensource.org/licenses/mit-license.php
+#
+###############################################################################
+
+import json
+import subprocess
+import sys
+
+# Hook should extract all the following for use as Timewarrior tags:
+#   UUID
+#   Project
+#   Tags
+#   Description
+#   UDAs
+
+try:
+    input_stream = sys.stdin.buffer
+except AttributeError:
+    input_stream = sys.stdin
+
+
+def extract_tags_from(json_obj):
+    # Extract attributes for use as tags.
+    tags = [json_obj['description']]
+
+    # Add UUID with prefix for reliable task linking
+    if 'uuid' in json_obj:
+        tags.append('uuid:' + json_obj['uuid'])
+
+    # Add project with prefix for separate column display
+    if 'project' in json_obj:
+        tags.append('project:' + json_obj['project'])
+
+    if 'tags' in json_obj:
+        if type(json_obj['tags']) is str:
+            # Usage of tasklib (e.g. in taskpirate) converts the tag list into a string
+            # If this is the case, convert it back into a list first
+            # See https://github.com/tbabej/taskpirate/issues/11
+            task_tags = [tag for tag in json_obj['tags'].split(',') if tag != 'next']
+            tags.extend(task_tags)
+        else:
+            # Filter out the 'next' tag
+            task_tags = [tag for tag in json_obj['tags'] if tag != 'next']
+            tags.extend(task_tags)
+
+    return tags
+
+
+def extract_annotation_from(json_obj):
+
+    if 'annotations' not in json_obj:
+        return '\'\''
+
+    return json_obj['annotations'][0]['description']
+
+
+def main(old, new):
+
+    start_or_stop = ''
+
+    # Started task.
+    if 'start' in new and 'start' not in old:
+        start_or_stop = 'start'
+
+    # Stopped task.
+    elif ('start' not in new or 'end' in new) and 'start' in old:
+        start_or_stop = 'stop'
+
+    if start_or_stop:
+        tags = extract_tags_from(new)
+
+        subprocess.call(['timew', start_or_stop] + tags + [':yes'])
+
+    # Modifications to task other than start/stop
+    elif 'start' in new and 'start' in old:
+        old_tags = extract_tags_from(old)
+        new_tags = extract_tags_from(new)
+
+        if old_tags != new_tags:
+            subprocess.call(['timew', 'untag', '@1'] + old_tags + [':yes'])
+            subprocess.call(['timew', 'tag', '@1'] + new_tags + [':yes'])
+
+        old_annotation = extract_annotation_from(old)
+        new_annotation = extract_annotation_from(new)
+
+        if old_annotation != new_annotation:
+            subprocess.call(['timew', 'annotate', '@1', new_annotation])
+
+
+if __name__ == "__main__":
+    old = json.loads(input_stream.readline().decode("utf-8", errors="replace"))
+    new = json.loads(input_stream.readline().decode("utf-8", errors="replace"))
+    print(json.dumps(new))
+    main(old, new)

pages/main.go

@@ -12,8 +12,8 @@ type MainPage struct {
 	common     *common.Common
 	activePage common.Component
 
-	taskPage common.Component
+	taskPage   common.Component
-	timePage common.Component
+	timePage   common.Component
 	currentTab int
 	width      int
 	height     int

pages/taskEditor.go

@@ -459,15 +459,21 @@ func NewTaskEdit(com *common.Common, task *taskwarrior.Task, isNew bool) *taskEd
 	onSelect := func(item list.Item) tea.Cmd {
 		return nil
 	}
+	onCreate := func(newProject string) tea.Cmd {
+		// The new project name will be used as the project value
+		// when the task is saved
+		return nil
+	}
 
-	opts := []picker.PickerOption{}
+	opts := []picker.PickerOption{picker.WithOnCreate(onCreate)}
 	if isNew {
 		opts = append(opts, picker.WithFilterByDefault(true))
+	} else {
+		opts = append(opts, picker.WithDefaultValue(task.Project))
 	}
 
 	projPicker := picker.New(com, "Project", itemProvider, onSelect, opts...)
 	projPicker.SetSize(70, 8)
-	projPicker.SelectItemByFilterValue(task.Project)
 	projPicker.Blur()
 
 	defaultKeymap := huh.NewDefaultKeyMap()

pages/timeEditor.go

@@ -40,9 +40,6 @@ func NewTimeEditorPage(com *common.Common, interval *timewarrior.Interval) *Time
 	// Extract project from tags if it exists
 	projects := com.TW.GetProjects()
 	selectedProject, remainingTags := extractProjectFromTags(interval.Tags, projects)
-	if selectedProject == "" && len(projects) > 0 {
-		selectedProject = projects[0] // Default to first project (required)
-	}
 
 	// Create project picker with onCreate support for new projects
 	projectItemProvider := func() []list.Item {
@@ -66,18 +63,23 @@ func NewTimeEditorPage(com *common.Common, interval *timewarrior.Interval) *Time
 		}
 	}
 
+	opts := []picker.PickerOption{
+		picker.WithOnCreate(projectOnCreate),
+	}
+	if selectedProject != "" {
+		opts = append(opts, picker.WithDefaultValue(selectedProject))
+	} else {
+		opts = append(opts, picker.WithFilterByDefault(true))
+	}
+
 	projectPicker := picker.New(
 		com,
 		"Project",
 		projectItemProvider,
 		projectOnSelect,
-		picker.WithOnCreate(projectOnCreate),
+		opts...,
-		picker.WithFilterByDefault(true),
 	)
 	projectPicker.SetSize(50, 10) // Compact size for inline use
-	if selectedProject != "" {
-		projectPicker.SelectItemByFilterValue(selectedProject)
-	}
 
 	// Create start timestamp editor
 	startEditor := timestampeditor.New(com).
@@ -129,8 +131,14 @@ func (p *TimeEditorPage) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 	case timeEditorProjectSelectedMsg:
 		// Update selected project
 		p.selectedProject = msg.project
+		// Blur current field (project picker)
+		p.blurCurrentField()
+		// Advance to tags field
+		p.currentField = 1
 		// Refresh tag autocomplete with filtered combinations
 		cmds = append(cmds, p.updateTagSuggestions())
+		// Focus tags input
+		cmds = append(cmds, p.focusCurrentField())
 		return p, tea.Batch(cmds...)
 
 	case tea.KeyMsg:
@@ -144,18 +152,33 @@ func (p *TimeEditorPage) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 			return model, BackCmd
 
 		case key.Matches(msg, p.common.Keymap.Ok):
-			// Don't save if the project picker is focused - let it handle Enter
+			// Handle Enter based on current field
-			if p.currentField != 0 {
+			if p.currentField == 0 {
-				// Save and exit
+				// Project picker - let it handle Enter (will trigger projectSelectedMsg)
-				p.saveInterval()
+				break
-				model, err := p.common.PopPage()
-				if err != nil {
-					slog.Error("page stack empty")
-					return nil, tea.Quit
-				}
-				return model, tea.Batch(tea.Batch(cmds...), refreshIntervals)
 			}
-			// If picker is focused, let it handle the key below
+
+			if p.currentField == 1 {
+				// Tags field
+				if p.tagsInput.HasSuggestions() {
+					// Let autocomplete handle suggestion selection
+					break
+				}
+				// Tags confirmed without suggestions - advance to start timestamp
+				p.blurCurrentField()
+				p.currentField = 2
+				cmds = append(cmds, p.focusCurrentField())
+				return p, tea.Batch(cmds...)
+			}
+
+			// For all other fields (2-4: start, end, adjust), save and exit
+			p.saveInterval()
+			model, err := p.common.PopPage()
+			if err != nil {
+				slog.Error("page stack empty")
+				return nil, tea.Quit
+			}
+			return model, tea.Batch(tea.Batch(cmds...), refreshIntervals)
 
 		case key.Matches(msg, p.common.Keymap.Next):
 			// Move to next field
@@ -347,15 +370,16 @@ func (p *TimeEditorPage) saveInterval() {
 
 	// Add project to tags if not already present
 	if p.selectedProject != "" {
+		projectTag := "project:" + p.selectedProject
 		projectExists := false
 		for _, tag := range tags {
-			if tag == p.selectedProject {
+			if tag == projectTag {
 				projectExists = true
 				break
 			}
 		}
 		if !projectExists {
-			tags = append([]string{p.selectedProject}, tags...) // Prepend project
+			tags = append([]string{projectTag}, tags...) // Prepend project tag
 		}
 	}
 
@@ -415,11 +439,15 @@ func extractProjectFromTags(tags []string, projects []string) (string, []string)
 	var remaining []string
 
 	for _, tag := range tags {
-		if foundProject == "" && projectSet[tag] {
+		// Check if this tag is a project tag (format: "project:projectname")
-			foundProject = tag // First matching project
+		if strings.HasPrefix(tag, "project:") {
-		} else {
+			projectName := strings.TrimPrefix(tag, "project:")
-			remaining = append(remaining, tag)
+			if foundProject == "" && projectSet[projectName] {
+				foundProject = projectName // First matching project
+				continue                   // Don't add to remaining tags
+			}
 		}
+		remaining = append(remaining, tag)
 	}
 
 	return foundProject, remaining
@@ -432,6 +460,8 @@ func filterTagCombinationsByProject(combinations []string, project string) []str
 		return combinations
 	}
 
+	projectTag := "project:" + project
+
 	var filtered []string
 	for _, combo := range combinations {
 		// Parse the combination into individual tags
@@ -439,11 +469,11 @@ func filterTagCombinationsByProject(combinations []string, project string) []str
 
 		// Check if project exists in this combination
 		for _, tag := range tags {
-			if tag == project {
+			if tag == projectTag {
 				// Found the project - now remove it from display
 				var displayTags []string
 				for _, t := range tags {
-					if t != project {
+					if t != projectTag {
 						displayTags = append(displayTags, t)
 					}
 				}

pages/timePage.go

@@ -21,6 +21,7 @@ type TimePage struct {
 	data      timewarrior.Intervals
 
 	shouldSelectActive bool
+	pendingSyncAction  string // "start", "stop", or "" (empty means no pending action)
 
 	selectedTimespan string
 	subpage          common.Component
@@ -163,8 +164,20 @@ func (p *TimePage) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 	case intervalsMsg:
 		p.data = timewarrior.Intervals(msg)
 		p.populateTable(p.data)
+
+		// If we have a pending sync action (from continuing an interval),
+		// execute it now that intervals are refreshed
+		if p.pendingSyncAction != "" {
+			action := p.pendingSyncAction
+			p.pendingSyncAction = ""
+			cmds = append(cmds, p.syncActiveIntervalAfterRefresh(action))
+		}
 	case RefreshIntervalsMsg:
 		cmds = append(cmds, p.getIntervals())
+		cmds = append(cmds, doTick())
+	case BackMsg:
+		// Restart tick loop when returning from subpage
+		cmds = append(cmds, doTick())
 	case tickMsg:
 		cmds = append(cmds, p.getIntervals())
 		cmds = append(cmds, doTick())
@@ -182,13 +195,34 @@ func (p *TimePage) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 			row := p.intervals.SelectedRow()
 			if row != nil {
 				interval := (*timewarrior.Interval)(row)
-				if interval.IsActive() {
+
-					p.common.TimeW.StopTracking()
+				// Validate interval before proceeding
-				} else {
+				if interval.IsGap {
-					p.common.TimeW.ContinueInterval(interval.ID)
+					slog.Debug("Cannot start/stop gap interval")
-					p.shouldSelectActive = true
+					return p, nil
 				}
-				return p, tea.Batch(p.getIntervals(), doTick())
+
+				if interval.IsActive() {
+					// Stop tracking
+					p.common.TimeW.StopTracking()
+					// Sync: stop corresponding Taskwarrior task immediately (interval has UUID)
+					common.SyncIntervalToTask(interval, p.common.TW, "stop")
+				} else {
+					// Continue tracking - creates a NEW interval
+					slog.Info("Continuing interval for task sync",
+						"intervalID", interval.ID,
+						"hasUUID", timewarrior.ExtractUUID(interval.Tags) != "",
+						"uuid", timewarrior.ExtractUUID(interval.Tags))
+					p.common.TimeW.ContinueInterval(interval.ID)
+					common.SyncIntervalToTask(interval, p.common.TW, "start")
+					p.shouldSelectActive = true
+					// Set pending sync action instead of syncing immediately
+					// This ensures we sync AFTER intervals are refreshed
+					p.pendingSyncAction = "start"
+				}
+				cmds = append(cmds, p.getIntervals())
+				cmds = append(cmds, doTick())
+				return p, tea.Batch(cmds...)
 			}
 		case key.Matches(msg, p.common.Keymap.Delete):
 			row := p.intervals.SelectedRow()
@@ -351,7 +385,8 @@ func (p *TimePage) populateTable(intervals timewarrior.Intervals) {
 		{Title: "Start", Name: startField, Width: startEndWidth},
 		{Title: "End", Name: endField, Width: startEndWidth},
 		{Title: "Duration", Name: "duration", Width: 10},
-		{Title: "Tags", Name: "tags", Width: 0}, // flexible width
+		{Title: "Project", Name: "project", Width: 0}, // flexible width
+		{Title: "Tags", Name: "tags", Width: 0},       // flexible width
 	}
 
 	// Calculate table height: total height - header (1 line) - blank line (1) - safety (1)
@@ -419,3 +454,34 @@ func (p *TimePage) getIntervals() tea.Cmd {
 		return intervalsMsg(intervals)
 	}
 }
+
+// syncActiveInterval creates a command that syncs the currently active interval to Taskwarrior
+func (p *TimePage) syncActiveInterval(action string) tea.Cmd {
+	return func() tea.Msg {
+		// Get the currently active interval
+		activeInterval := p.common.TimeW.GetActive()
+		if activeInterval != nil {
+			common.SyncIntervalToTask(activeInterval, p.common.TW, action)
+		}
+		return nil
+	}
+}
+
+// syncActiveIntervalAfterRefresh is called AFTER intervals have been refreshed
+// to ensure we're working with current data
+func (p *TimePage) syncActiveIntervalAfterRefresh(action string) tea.Cmd {
+	return func() tea.Msg {
+		// At this point, intervals have been refreshed, so GetActive() will work
+		activeInterval := p.common.TimeW.GetActive()
+		if activeInterval != nil {
+			slog.Info("Syncing active interval to task after refresh",
+				"action", action,
+				"intervalID", activeInterval.ID,
+				"hasUUID", timewarrior.ExtractUUID(activeInterval.Tags) != "")
+			common.SyncIntervalToTask(activeInterval, p.common.TW, action)
+		} else {
+			slog.Warn("No active interval found after refresh, cannot sync to task")
+		}
+		return nil
+	}
+}

timewarrior/models.go

@@ -83,7 +83,16 @@ func (i *Interval) GetString(field string) string {
 		if len(i.Tags) == 0 {
 			return ""
 		}
-		return strings.Join(i.Tags, " ")
+		// Extract and filter special tags (uuid:, project:)
+		_, _, displayTags := ExtractSpecialTags(i.Tags)
+		return strings.Join(displayTags, " ")
+
+	case "project":
+		project := ExtractProject(i.Tags)
+		if project == "" {
+			return "(none)"
+		}
+		return project
 
 	case "duration":
 		return i.GetDuration()

timewarrior/tags.go

@@ -0,0 +1,51 @@
+package timewarrior
+
+import (
+	"strings"
+)
+
+// Special tag prefixes for metadata
+const (
+	UUIDPrefix    = "uuid:"
+	ProjectPrefix = "project:"
+)
+
+// ExtractSpecialTags parses tags and separates special prefixed tags from display tags.
+// Returns: uuid, project, and remaining display tags (description + user tags)
+func ExtractSpecialTags(tags []string) (uuid string, project string, displayTags []string) {
+	displayTags = make([]string, 0, len(tags))
+
+	for _, tag := range tags {
+		switch {
+		case strings.HasPrefix(tag, UUIDPrefix):
+			uuid = strings.TrimPrefix(tag, UUIDPrefix)
+		case strings.HasPrefix(tag, ProjectPrefix):
+			project = strings.TrimPrefix(tag, ProjectPrefix)
+		default:
+			// Regular tag (description or user tag)
+			displayTags = append(displayTags, tag)
+		}
+	}
+
+	return uuid, project, displayTags
+}
+
+// ExtractUUID extracts just the UUID from tags (for sync operations)
+func ExtractUUID(tags []string) string {
+	for _, tag := range tags {
+		if strings.HasPrefix(tag, UUIDPrefix) {
+			return strings.TrimPrefix(tag, UUIDPrefix)
+		}
+	}
+	return ""
+}
+
+// ExtractProject extracts just the project name from tags
+func ExtractProject(tags []string) string {
+	for _, tag := range tags {
+		if strings.HasPrefix(tag, ProjectPrefix) {
+			return strings.TrimPrefix(tag, ProjectPrefix)
+		}
+	}
+	return ""
+}

timewarrior/timewarrior.go

@@ -142,10 +142,9 @@ func formatTagsForCombination(tags []string) string {
 	return strings.Join(formatted, " ")
 }
 
-func (ts *TimeSquire) GetIntervals(filter ...string) Intervals {
+// getIntervalsUnlocked fetches intervals without acquiring mutex (for internal use only).
-	ts.mutex.Lock()
+// Caller must hold ts.mutex.
-	defer ts.mutex.Unlock()
+func (ts *TimeSquire) getIntervalsUnlocked(filter ...string) Intervals {
-
 	args := append(ts.defaultArgs, "export")
 	if filter != nil {
 		args = append(args, filter...)
@@ -176,6 +175,14 @@ func (ts *TimeSquire) GetIntervals(filter ...string) Intervals {
 	return intervals
 }
 
+// GetIntervals fetches intervals with the given filter, acquiring mutex lock.
+func (ts *TimeSquire) GetIntervals(filter ...string) Intervals {
+	ts.mutex.Lock()
+	defer ts.mutex.Unlock()
+
+	return ts.getIntervalsUnlocked(filter...)
+}
+
 func (ts *TimeSquire) StartTracking(tags []string) error {
 	ts.mutex.Lock()
 	defer ts.mutex.Unlock()
@@ -347,8 +354,8 @@ func (ts *TimeSquire) GetActive() *Interval {
 		return nil
 	}
 
-	// Get the active interval
+	// Get the active interval using unlocked version (we already hold the mutex)
-	intervals := ts.GetIntervals()
+	intervals := ts.getIntervalsUnlocked()
 	for _, interval := range intervals {
 		if interval.End == "" {
 			return interval