Journal Formatter and Journal Finder locked to signed-in users: each tab shows a sign-in card (what the tool does, free with an account) until the visitor signs in, and the server refuses a run without an account; Pricing and the free-use note say "free with an account"

app.py

@@ -82,6 +82,12 @@ def suite_panel(ai_before, ai_after, original, revised, labels=None, extra=None,
 EMPTY = """<div class="cs-scores cs-empty"><div>Scores appear here after processing.</div></div>"""
 
 
+COMPANION_LOCKS = {                                      # the companion tools need a signed-in account
+    "Journal Formatter": "Arrange your manuscript to a journal's format, as a Word file and Overleaf-ready LaTeX.",
+    "Journal Finder": "Find journals that match your title, with indexing, quartile, review time and acceptance odds.",
+}
+
+
 def _locked(what):
     if what == "dashboard":                              # not an upload: the customer's own history and files
         return ('<div class="cs-lock"><div class="cs-lock-ico">🔒</div>'
@@ -93,6 +99,11 @@ def _locked(what):
                 '<div class="cs-lock-t">Sign in to get your Turnitin report</div>'
                 '<div class="cs-lock-s">A free account takes a minute. Then pay for each report with PhonePe (UPI, '
                 'cards, net banking) right on this page; a report that cannot be produced is refunded.</div></div>')
+    if what in COMPANION_LOCKS:                           # free with an account (signed-in users only)
+        return (f'<div class="cs-lock"><div class="cs-lock-ico">{UI.LOCK_ICON}🔒</div>'
+                f'<div class="cs-lock-t">Sign in to use the {what}</div>'
+                f'<div class="cs-lock-s">{COMPANION_LOCKS[what]} It is included with your free account; '
+                'sign in or create one in a minute.</div></div>')
     return (f'<div class="cs-lock"><div class="cs-lock-ico">{UI.LOCK_ICON}🔒</div>'
             f'<div class="cs-lock-t">Sign in to upload {what}</div>'
             f'<div class="cs-lock-s">A free account takes a minute, and your first document is free. '
@@ -2542,6 +2553,8 @@ def JOB(status):
 def _run_tool(core, args, n_outputs, status_index, user=None, request=None, tool=""):
     """The Journal Formatter / Finder jobs: like H._run_live, but keyed by visitor + tool + input, so a page that
     reconnects after a dropped connection picks up the running (or finished) job instead of starting it over."""
+    if tool in COMPANION_LOCKS and not user:            # (the tab is locked; this stops a direct call too)
+        raise gr.Error(f"Please sign in to use the {tool}.", title="Sign in needed")
     key = _job_key(user, request, tool, args) if tool else None
     with _START_LOCK:
         job = H.find_job(key)
@@ -2558,7 +2571,7 @@ def _run_tool(core, args, n_outputs, status_index, user=None, request=None, tool
 _FREE_NOTE = (f"Free with a free account: pasted text up to {P.PLANS['free']['paste_words']} words "
               f"({P.PLANS['free']['pastes']} a day), {P.FREE_TRIAL_DOCS} trial document up to "
               f"{P.PLANS['free']['doc_words']:,} words and {P.FREE_DETECT_DAY} AI detector reports a day. The Journal "
-              "Formatter and the Journal Finder are free. Customers who already have credits or a plan keep using "
+              "Formatter and the Journal Finder are free with an account (sign in to use them). Customers who already have credits or a plan keep using "
               "them until they run out; after that, runs are paid from the wallet.")
 TOOLS_UI = dict(wait=WAIT, hid=HID, job=JOB, run_live=_run_tool, log=DB.log_run, user=None)
 
@@ -2915,20 +2928,26 @@ with gr.Blocks(title=SITE_TITLE, theme=theme, css=CSS + UI.css() + FND.CSS, js=F
         # Both tools run inside this Space (formatter_tab.py / finder_tab.py). TOOLS_EMBED=1 shows the earlier
         # separately hosted apps in a frame instead.
         with gr.Tab("Journal Formatter", id="formatter"):
-            if TOOLS_EMBED:
-                gr.HTML(companion_tab_html(FORMAT_URL, "Journal Formatter.",
-                                           "Upload your (humanized) manuscript and give a template, the journal's "
-                                           "guidelines or just the journal name: the file is rearranged to that "
-                                           "format (Word and LaTeX)."))
-            else:
-                FMT.build(TOOLS_UI)
+            _, fm_open, fm_lockbtn = lock_gate("Journal Formatter")   # signed-in users only
+            GOTO_ACCOUNT.append(fm_lockbtn)
+            with fm_open:
+                if TOOLS_EMBED:
+                    gr.HTML(companion_tab_html(FORMAT_URL, "Journal Formatter.",
+                                               "Upload your (humanized) manuscript and give a template, the journal's "
+                                               "guidelines or just the journal name: the file is rearranged to that "
+                                               "format (Word and LaTeX)."))
+                else:
+                    FMT.build(TOOLS_UI)
         with gr.Tab("Journal Finder", id="finder"):
-            if TOOLS_EMBED:
-                gr.HTML(companion_tab_html(FINDER_URL, "Journal Finder.",
-                                           "Enter your paper's title to get matching journals with indexing (Scopus, "
-                                           "PubMed, ABDC), quartile, review time and acceptance odds."))
-            else:
-                FND.build(TOOLS_UI)
+            _, fn_open, fn_lockbtn = lock_gate("Journal Finder")
+            GOTO_ACCOUNT.append(fn_lockbtn)
+            with fn_open:
+                if TOOLS_EMBED:
+                    gr.HTML(companion_tab_html(FINDER_URL, "Journal Finder.",
+                                               "Enter your paper's title to get matching journals with indexing "
+                                               "(Scopus, PubMed, ABDC), quartile, review time and acceptance odds."))
+                else:
+                    FND.build(TOOLS_UI)
 
         # ============================ PRICING ============================
         with gr.Tab("Pricing", id="pricing") as pricing_tab:

plans.py

@@ -720,7 +720,7 @@ def pricing_html(currency=None, billing="Monthly"):
              f'detector reports a day, 1 journal-formatting file a month. '
              f'<b>Monthly and yearly plans</b> give the same credits every month; a yearly plan is paid once for '
              f'twelve months. '
-             f'<b>Journal Finder:</b> free for everyone. <b>Journal formatting</b> on its own: '
+             f'<b>Journal Finder:</b> free with a free account. <b>Journal formatting</b> on its own: '
              f'{price_of("format", cur)} per file. <b>Institutions and agencies:</b> from '
              f'{price_of("institution", cur)}/month for {PLANS["institution"]["docs_month"]} credits, several logins and '
              f'a GST invoice, contact us.'

tests/test_auth_outputs.py

@@ -74,3 +74,11 @@ def test_a_recovery_key_is_verified_the_same_way():
     assert app.do_check_reset(email, "AAAA-BBBB-CCCC-DDDD")[1]["visible"] is False
     assert app.do_check_reset(email, key)[1]["visible"] is True
     assert app.do_reset_key(email, key, "brandnewpass1", "brandnewpass1")[0]["email"] == email
+
+
+def test_journal_formatter_and_finder_need_a_signed_in_account():
+    import pytest
+    for tool in ("Journal Formatter", "Journal Finder"):
+        assert tool in app.COMPANION_LOCKS and f"Sign in to use the {tool}" in app._locked(tool)
+        with pytest.raises(app.gr.Error):
+            next(app._run_tool(lambda rep: ("x",), (), 1, 0, user=None, request=None, tool=tool))