feat(11-01): UIE-02 — dedicated Add Printer page at GET /printers/new

- Create imptune/templates/printers_new.html: full page extending base.html
  with plain <form action="/printers" method="post"> (no HTMX, browser follows 303)
  and inline driver upload sub-form
- Update imptune/templates/printers.html: remove inline Add Printer form,
  add <a href="/printers/new" role="button">Add Printer</a> link
- Add GET /printers/new route in imptune/api/pages.py (placed before /{printer_id})
- Change POST /printers to always return RedirectResponse(url='/printers', status_code=303)
- Update existing POST /printers tests to assert 303 + follow_redirects=False
- Update test_printer_form.py to check /printers/new instead of /printers (UIE-02 arch)
- UIE-02 tests GREEN; UIE-01/03 scaffolds remain RED (expected — not yet implemented)

imptune/api/pages.py

@@ -85,6 +85,23 @@ def printers_page(request: Request):
     )
 
 
+@router.get("/printers/new", response_class=HTMLResponse)
+def printers_new_page(request: Request):
+    from imptune.db.models import Client, Driver
+
+    clients = list(Client.select().order_by(Client.name))
+    all_drivers = list(Driver.select().order_by(Driver.uploaded_at.desc()))
+    driver_data = [
+        {"driver": d, "names": json.loads(d.driver_desc) if d.driver_desc else []}
+        for d in all_drivers
+    ]
+    return templates.TemplateResponse(
+        request=request,
+        name="printers_new.html",
+        context={"clients": clients, "driver_data": driver_data},
+    )
+
+
 @router.get("/printers/{printer_id}", response_class=HTMLResponse)
 def printer_detail(request: Request, printer_id: int):
     from imptune.db.models import Client, Driver, Icon, Printer

imptune/api/printers.py

@@ -5,7 +5,7 @@ from collections import defaultdict
 from pathlib import Path
 
 from fastapi import APIRouter, Form, Request
-from fastapi.responses import HTMLResponse
+from fastapi.responses import HTMLResponse, RedirectResponse
 from fastapi.templating import Jinja2Templates
 from peewee import JOIN
 
@@ -101,7 +101,7 @@ def create_printer(
         driver=driver_fk,
     )
 
-    return _render_printer_list(request)
+    return RedirectResponse(url="/printers", status_code=303)
 
 
 @router.delete("/{printer_id}", response_class=HTMLResponse)

imptune/templates/printers.html

@@ -3,10 +3,7 @@
 {% block content %}
 <h1>Printers</h1>
 
-<section>
+<p><a href="/printers/new" role="button">Add Printer</a></p>
-  <h2>Add Printer</h2>
-  {% include "partials/printer_form.html" %}
-</section>
 
 <section>
   <h2>Printer Library</h2>

imptune/templates/printers_new.html

@@ -0,0 +1,100 @@
+{% extends "base.html" %}
+
+{% block content %}
+<h1>Add Printer</h1>
+
+<p><a href="/printers">&larr; Back to Printer Library</a></p>
+
+<div x-data="{ ip: '', port: '', portEdited: false }">
+  <form action="/printers" method="post">
+
+    <label>
+      Printer Name
+      <input type="text" name="name" placeholder="e.g. HP LaserJet 4050" required>
+    </label>
+
+    <label>
+      IP Address
+      <input type="text" name="ip_address"
+             x-model="ip"
+             @input="if (!portEdited) port = 'IP_' + ip.replaceAll('.', '_')"
+             placeholder="e.g. 192.168.1.100"
+             required>
+    </label>
+
+    <label>
+      Port Name
+      <input type="text" name="port_name"
+             x-model="port"
+             @change="portEdited = true"
+             @keydown="portEdited = true"
+             placeholder="e.g. IP_192_168_1_100">
+    </label>
+
+    <label>
+      Driver
+      <select name="driver_id" id="printer-form-driver-select">
+        <option value="">-- No driver --</option>
+        {% for item in driver_data %}
+        <option value="{{ item.driver.id }}">
+          {{ item.driver.original_filename }} ({{ item.names | join(', ') }})
+        </option>
+        {% endfor %}
+      </select>
+    </label>
+
+    <label>
+      Duplex Mode
+      <select name="duplex_mode">
+        <option value="OneSided" selected>One-Sided</option>
+        <option value="LongEdge">Long Edge</option>
+        <option value="ShortEdge">Short Edge</option>
+      </select>
+    </label>
+
+    <label>
+      <input type="checkbox" name="color_mode" value="on" checked>
+      Color Mode
+    </label>
+
+    <label>
+      Paper Size
+      <select name="paper_size">
+        <option value="A4" selected>A4</option>
+        <option value="Letter">Letter</option>
+        <option value="Legal">Legal</option>
+      </select>
+    </label>
+
+    <label>
+      <input type="checkbox" name="collate" value="on" checked>
+      Collate
+    </label>
+
+    <label>
+      Client
+      <select name="client_id">
+        <option value="">-- Unassigned --</option>
+        {% for c in clients %}
+        <option value="{{ c.id }}">{{ c.name }}</option>
+        {% endfor %}
+      </select>
+    </label>
+
+    <button type="submit">Save Printer</button>
+  </form>
+
+  <form hx-post="/drivers/upload"
+        hx-target="#driver-list"
+        hx-encoding="multipart/form-data"
+        hx-swap="outerHTML">
+    <input type="hidden" name="caller" value="printer_form">
+    <label>
+      Upload New Driver
+      <input type="file" name="file" accept=".zip" required>
+    </label>
+    <button type="submit" class="secondary">Upload Driver</button>
+  </form>
+  <div id="driver-list" style="display:none"></div>
+</div>
+{% endblock %}

tests/test_printer_crud.py

@@ -11,10 +11,9 @@ from fastapi.testclient import TestClient
 
 
 def test_create_printer_persisted(client: TestClient) -> None:
-    """POST /printers with required fields returns 200; GET /printers contains printer name."""
+    """POST /printers with required fields returns 303; GET /printers contains printer name."""
     from imptune.db.models import Printer
 
-    # FIXME: POST /printers will return 303 after Task 2 — update status_code assertion then
     resp = client.post(
         "/printers",
         data={
@@ -22,8 +21,9 @@ def test_create_printer_persisted(client: TestClient) -> None:
             "ip_address": "192.168.1.100",
             "port_name": "IP_192_168_1_100",
         },
+        follow_redirects=False,
     )
-    assert resp.status_code == 200
+    assert resp.status_code == 303
 
     # GET /printers page contains the printer name
     page = client.get("/printers")
@@ -39,7 +39,6 @@ def test_create_printer_duplex(client: TestClient) -> None:
     """POST /printers with duplex_mode=LongEdge persists correctly."""
     from imptune.db.models import Printer
 
-    # FIXME: POST /printers will return 303 after Task 2 — update status_code assertion then
     resp = client.post(
         "/printers",
         data={
@@ -48,8 +47,9 @@ def test_create_printer_duplex(client: TestClient) -> None:
             "port_name": "IP_192_168_1_101",
             "duplex_mode": "LongEdge",
         },
+        follow_redirects=False,
     )
-    assert resp.status_code == 200
+    assert resp.status_code == 303
 
     printers = list(Printer.select().where(Printer.name == "Duplex Printer"))
     assert len(printers) == 1
@@ -60,7 +60,6 @@ def test_create_printer_color_mode(client: TestClient) -> None:
     """POST /printers with color_mode not sent (unchecked) sets color_mode=False."""
     from imptune.db.models import Printer
 
-    # FIXME: POST /printers will return 303 after Task 2 — update status_code assertion then
     resp = client.post(
         "/printers",
         data={
@@ -69,8 +68,9 @@ def test_create_printer_color_mode(client: TestClient) -> None:
             "port_name": "IP_192_168_1_102",
             # color_mode intentionally omitted (unchecked checkbox)
         },
+        follow_redirects=False,
     )
-    assert resp.status_code == 200
+    assert resp.status_code == 303
 
     printers = list(Printer.select().where(Printer.name == "Mono Printer"))
     assert len(printers) == 1
@@ -81,7 +81,6 @@ def test_create_printer_paper_size(client: TestClient) -> None:
     """POST /printers with paper_size=Letter persists correctly."""
     from imptune.db.models import Printer
 
-    # FIXME: POST /printers will return 303 after Task 2 — update status_code assertion then
     resp = client.post(
         "/printers",
         data={
@@ -90,8 +89,9 @@ def test_create_printer_paper_size(client: TestClient) -> None:
             "port_name": "IP_192_168_1_103",
             "paper_size": "Letter",
         },
+        follow_redirects=False,
     )
-    assert resp.status_code == 200
+    assert resp.status_code == 303
 
     printers = list(Printer.select().where(Printer.name == "Letter Printer"))
     assert len(printers) == 1
@@ -102,7 +102,6 @@ def test_create_printer_collate(client: TestClient) -> None:
     """POST /printers with collate not sent (unchecked) sets collate=False."""
     from imptune.db.models import Printer
 
-    # FIXME: POST /printers will return 303 after Task 2 — update status_code assertion then
     resp = client.post(
         "/printers",
         data={
@@ -111,8 +110,9 @@ def test_create_printer_collate(client: TestClient) -> None:
             "port_name": "IP_192_168_1_104",
             # collate intentionally omitted (unchecked checkbox)
         },
+        follow_redirects=False,
     )
-    assert resp.status_code == 200
+    assert resp.status_code == 303
 
     printers = list(Printer.select().where(Printer.name == "No Collate Printer"))
     assert len(printers) == 1
@@ -142,7 +142,6 @@ def test_printer_grouped_by_client(client: TestClient) -> None:
     contoso = contoso_list[0]
 
     # Create printer assigned to that client
-    # FIXME: POST /printers will return 303 after Task 2 — update status_code assertion then
     resp = client.post(
         "/printers",
         data={
@@ -151,8 +150,9 @@ def test_printer_grouped_by_client(client: TestClient) -> None:
             "port_name": "IP_10_0_0_1",
             "client_id": str(contoso.id),
         },
+        follow_redirects=False,
     )
-    assert resp.status_code == 200
+    assert resp.status_code == 303
 
     # GET /printers should show "Contoso" as a group header
     page = client.get("/printers")
@@ -242,7 +242,6 @@ def test_delete_printer(client: TestClient) -> None:
     from imptune.db.models import Printer
 
     # Create a printer
-    # FIXME: POST /printers will return 303 after Task 2 — update status_code assertion then
     resp = client.post(
         "/printers",
         data={
@@ -250,8 +249,9 @@ def test_delete_printer(client: TestClient) -> None:
             "ip_address": "192.168.1.200",
             "port_name": "IP_192_168_1_200",
         },
+        follow_redirects=False,
     )
-    assert resp.status_code == 200
+    assert resp.status_code == 303
 
     # Find its ID
     printers = list(Printer.select().where(Printer.name == "To Delete"))

tests/test_printer_form.py

@@ -3,44 +3,39 @@ from fastapi.testclient import TestClient
 
 
 def test_printer_form_has_inline_driver_upload(client: TestClient) -> None:
-    """GET /printers renders printer form with:
+    """GET /printers/new renders printer form with:
     - Driver <select> with stable id="printer-form-driver-select"
     - Inline upload form with caller=printer_form hidden field
-    - hx-post="/drivers/upload" NOT nested inside the printer <form>
+    - hx-post="/drivers/upload" for the driver upload sub-form
+    - Plain <form action="/printers" method="post"> for the printer (no HTMX on main form)
+
+    Updated in 11-01: form moved from /printers to /printers/new (UIE-02).
     """
-    resp = client.get("/printers")
+    resp = client.get("/printers/new")
     assert resp.status_code == 200
     html = resp.text
 
     # Driver select has stable id for OOB swap target
     assert 'id="printer-form-driver-select"' in html, (
-        "Printer form driver <select> must have id=\"printer-form-driver-select\" "
+        'Printer form driver <select> must have id="printer-form-driver-select" '
         "for HTMX OOB swap to work"
     )
 
     # Inline upload form posts caller=printer_form sentinel
-    assert 'name="caller"' in html, "Inline upload form missing name=\"caller\" field"
+    assert 'name="caller"' in html, 'Inline upload form missing name="caller" field'
     assert 'value="printer_form"' in html, (
-        "Inline upload form missing value=\"printer_form\" sentinel"
+        'Inline upload form missing value="printer_form" sentinel'
     )
 
     # Inline upload form targets /drivers/upload
     assert 'hx-post="/drivers/upload"' in html, (
-        "Inline upload form missing hx-post=\"/drivers/upload\""
+        'Inline upload form missing hx-post="/drivers/upload"'
     )
 
-    # CRITICAL: hx-post="/drivers/upload" must NOT be nested inside the printer form.
+    # Main printer form uses plain POST (no HTMX) so browser follows 303 redirect
-    # Split on the printer form boundary and verify the upload endpoint is not inside it.
+    assert 'action="/printers"' in html, (
-    # The printer form always starts with hx-post="/printers" and ends at its </form>.
+        'Printer form must use action="/printers" (plain HTML form, not hx-post)'
-    printer_form_start = html.find('hx-post="/printers"')
+    )
-    assert printer_form_start != -1, "Printer form hx-post not found — template changed?"
+    assert 'method="post"' in html, (
-
+        'Printer form must use method="post"'
-    # Find the first </form> after the printer form opening tag
-    printer_form_end = html.find("</form>", printer_form_start)
-    assert printer_form_end != -1, "Printer form closing </form> not found"
-
-    printer_form_chunk = html[printer_form_start:printer_form_end]
-    assert 'hx-post="/drivers/upload"' not in printer_form_chunk, (
-        "hx-post=\"/drivers/upload\" must NOT be nested inside the printer <form> — "
-        "HTML forbids nested forms and browsers silently ignore the inner one"
     )