Default HF sync to Sri-28/docuask and fill in demo link

Defaults HF_USERNAME to Sri-28 so only the HF_TOKEN secret is required to
enable auto-sync; sets the live-demo link to the target Space URL.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01WN4QRr6dTE2W7hQ2SDnLmY

.github/workflows/sync-to-hf.yml

@@ -6,8 +6,9 @@ name: Sync to Hugging Face Space
 #
 # One-time setup (GitHub → Settings → Secrets and variables → Actions):
 #   - Secret   HF_TOKEN     : a Hugging Face access token with write scope
-#                             (huggingface.co/settings/tokens).
-#   - Variable HF_USERNAME  : your Hugging Face username / org that owns the Space.
+#                             (huggingface.co/settings/tokens). REQUIRED.
+#   - Variable HF_USERNAME  : Hugging Face username that owns the Space
+#                             (optional; defaults to "Sri-28").
 #   - Variable HF_SPACE     : the Space name (optional; defaults to "docuask").
 #
 # Until HF_TOKEN is set the job no-ops, so this workflow never fails the branch.
@@ -48,13 +49,9 @@ jobs:
         if: steps.check.outputs.ok == 'true'
         env:
           HF_TOKEN: ${{ secrets.HF_TOKEN }}
-          HF_USERNAME: ${{ vars.HF_USERNAME }}
+          HF_USERNAME: ${{ vars.HF_USERNAME || 'Sri-28' }}
           HF_SPACE: ${{ vars.HF_SPACE || 'docuask' }}
         run: |
-          if [ -z "$HF_USERNAME" ]; then
-            echo "::error::Set the HF_USERNAME repository variable to your Hugging Face username."
-            exit 1
-          fi
           echo "Syncing to https://huggingface.co/spaces/${HF_USERNAME}/${HF_SPACE}"
           git push --force \
             "https://${HF_USERNAME}:${HF_TOKEN}@huggingface.co/spaces/${HF_USERNAME}/${HF_SPACE}.git" \

README.md

@@ -20,8 +20,8 @@ live dashboard. It's a small, end-to-end product loop: a React front end, a
 FastAPI back end, a lightweight retrieval layer, and a SQLite telemetry layer,
 all runnable with one command and deployable as a single container.
 
-🔗 **Live demo:** _deploy to a Hugging Face Space (see [Deploy](#deploy-hugging-face-spaces)) and paste the URL here_ →
-`https://huggingface.co/spaces/<your-username>/docuask`
+🔗 **Live demo:** [huggingface.co/spaces/Sri-28/docuask](https://huggingface.co/spaces/Sri-28/docuask)
+_(goes live once the Space is created — see [Deploy](#deploy-hugging-face-spaces))_
 
 ## Screenshots
 
@@ -116,9 +116,9 @@ Space's variables.
 your Space on every push. Configure it once under **Settings → Secrets and
 variables → Actions**:
 
-- Secret `HF_TOKEN` — a Hugging Face token with write scope.
-- Variable `HF_USERNAME` — your Hugging Face username (and `HF_SPACE` if the
-  Space isn't named `docuask`).
+- Secret `HF_TOKEN` — a Hugging Face token with write scope. **This is the only
+  required step** (username defaults to `Sri-28`, Space to `docuask`).
+- Optionally override the `HF_USERNAME` / `HF_SPACE` variables.
 
 Until `HF_TOKEN` is set the workflow no-ops, so it never fails the branch.