Add actionable push notifications and fix recurring task completion

Features:
- Add task action buttons to push notifications (complete, view, cancel, etc.)
- Add button types logic for different task states (overdue, in_progress, etc.)
- Implement Chain of Responsibility pattern for task categorization
- Add comprehensive kanban categorization documentation

Fixes:
- Reset recurring task status to Pending after completion so tasks appear
  in correct kanban column (was staying in "In Progress")
- Fix PostgreSQL EXTRACT function error in overdue notifications query
- Update seed data to properly set next_due_date for recurring tasks

Admin:
- Add tasks list to residence detail page
- Fix task edit page to properly handle all fields

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

internal/models/task.go

@@ -85,6 +85,7 @@ type Task struct {
 	Frequency     *TaskFrequency   `gorm:"foreignKey:FrequencyID" json:"frequency,omitempty"`
 
 	DueDate       *time.Time       `gorm:"column:due_date;type:date;index" json:"due_date"`
+	NextDueDate   *time.Time       `gorm:"column:next_due_date;type:date;index" json:"next_due_date"` // For recurring tasks, updated after each completion
 	EstimatedCost *decimal.Decimal `gorm:"column:estimated_cost;type:decimal(10,2)" json:"estimated_cost"`
 	ActualCost    *decimal.Decimal `gorm:"column:actual_cost;type:decimal(10,2)" json:"actual_cost"`