feat: Complete Phase 1 - Full Flutter app implementation with comprehensive features

Version: 1.1.0

Major changes:
- Implemented complete Flutter app structure with all core features
- Added comprehensive UI screens for auth, countdown, goals, profile, settings, and social features
- Integrated Supabase backend with authentication and data repositories
- Added offline support with Hive caching and local storage
- Implemented comprehensive routing with go_router
- Added location services with Google Maps integration
- Implemented notifications and home widget support
- Added voice recording capabilities and AI chat features
- Created comprehensive test suite and documentation
- Added Android and iOS platform configurations
- Implemented achievements system and social features
- Added calendar integration and bucket list functionality

This represents a complete Phase 1 milestone with 3,775 additions across 31 files.

supabase/migrations/004_calendar_entries_and_social_links.sql

@@ -0,0 +1,60 @@
+-- Calendar entries table for user progress and smaller achievements
+CREATE TABLE IF NOT EXISTS public.calendar_entries (
+    id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
+    user_id UUID NOT NULL REFERENCES public.users(id) ON DELETE CASCADE,
+    goal_id UUID REFERENCES public.goals(id) ON DELETE SET NULL,
+    entry_date DATE NOT NULL,
+    title TEXT NOT NULL,
+    note TEXT,
+    entry_type TEXT NOT NULL DEFAULT 'note', -- e.g. 'progress', 'milestone', 'reflection'
+    created_at TIMESTAMPTZ DEFAULT NOW()
+);
+
+CREATE INDEX IF NOT EXISTS idx_calendar_entries_user_date
+    ON public.calendar_entries(user_id, entry_date);
+
+ALTER TABLE public.calendar_entries ENABLE ROW LEVEL SECURITY;
+
+CREATE POLICY "Users can read their calendar entries"
+ON public.calendar_entries FOR SELECT
+USING (auth.uid() = user_id);
+
+CREATE POLICY "Users can insert their calendar entries"
+ON public.calendar_entries FOR INSERT
+WITH CHECK (auth.uid() = user_id);
+
+CREATE POLICY "Users can update their calendar entries"
+ON public.calendar_entries FOR UPDATE
+USING (auth.uid() = user_id)
+WITH CHECK (auth.uid() = user_id);
+
+CREATE POLICY "Users can delete their calendar entries"
+ON public.calendar_entries FOR DELETE
+USING (auth.uid() = user_id);
+
+-- Optional social media links on users
+ALTER TABLE public.users
+    ADD COLUMN IF NOT EXISTS twitter_handle TEXT,
+    ADD COLUMN IF NOT EXISTS instagram_handle TEXT,
+    ADD COLUMN IF NOT EXISTS tiktok_handle TEXT,
+    ADD COLUMN IF NOT EXISTS website_url TEXT;
+
+-- Expose social links in the public profiles view for public accounts only
+CREATE OR REPLACE VIEW public.public_profiles AS
+SELECT
+    id,
+    username,
+    avatar_url,
+    bio,
+    is_public_profile,
+    countdown_start_date,
+    countdown_end_date,
+    created_at,
+    twitter_handle,
+    instagram_handle,
+    tiktok_handle,
+    website_url
+FROM public.users
+WHERE is_public_profile = true;
+
+GRANT SELECT ON public.public_profiles TO authenticated;