feat: implement t-PpYZt2

4 files changed, 224 insertions, 2 deletions

diff --git a/Biz/PodcastItLater/UI.py b/Biz/PodcastItLater/UI.py
index da0193c..27f5fff 100644
--- a/Biz/PodcastItLater/UI.py
+++ b/Biz/PodcastItLater/UI.py
@@ -215,6 +215,24 @@ class PageLayout(Component[AnyChildren, PageLayoutAttrs]):
                                 html.i(
                                     classes=[
                                         "bi",
+                                        "bi-stars",
+                                        "me-1",
+                                    ],
+                                ),
+                                "Pricing",
+                                href="/pricing",
+                                classes=[
+                                    "nav-link",
+                                    "active" if is_active("pricing") else "",
+                                ],
+                            ),
+                            classes=["nav-item"],
+                        ),
+                        html.li(
+                            html.a(
+                                html.i(
+                                    classes=[
+                                        "bi",
                                         "bi-person-circle",
                                         "me-1",
                                     ],
@@ -387,3 +405,147 @@ class PageLayout(Component[AnyChildren, PageLayoutAttrs]):
                 create_bootstrap_js(),
             ),
         )
+
+
+class PricingPageAttrs(Attrs):
+    """Attributes for PricingPage component."""
+
+    user: dict[str, typing.Any] | None
+
+
+class PricingPage(Component[AnyChildren, PricingPageAttrs]):
+    """Pricing page component."""
+
+    @override
+    def render(self) -> PageLayout:
+        user = self.attrs.get("user")
+        current_tier = user.get("plan_tier", "free") if user else "free"
+
+        return PageLayout(
+            user=user,
+            current_page="pricing",
+            page_title="Pricing - PodcastItLater",
+            error=None,
+            meta_tags=[],
+            children=[
+                html.div(
+                    html.h2("Simple Pricing", classes=["text-center", "mb-5"]),
+                    html.div(
+                        # Free Tier
+                        html.div(
+                            html.div(
+                                html.div(
+                                    html.h3("Free", classes=["card-title"]),
+                                    html.h4(
+                                        "$0",
+                                        classes=[
+                                            "card-subtitle",
+                                            "mb-3",
+                                            "text-muted",
+                                        ],
+                                    ),
+                                    html.p(
+                                        "10 articles total",
+                                        classes=["card-text"],
+                                    ),
+                                    html.ul(
+                                        html.li("Convert 10 articles"),
+                                        html.li("Basic features"),
+                                        classes=["list-unstyled", "mb-4"],
+                                    ),
+                                    html.button(
+                                        "Current Plan",
+                                        classes=[
+                                            "btn",
+                                            "btn-outline-primary",
+                                            "w-100",
+                                        ],
+                                        disabled=True,
+                                    )
+                                    if current_tier == "free"
+                                    else html.div(),
+                                    classes=["card-body"],
+                                ),
+                                classes=["card", "mb-4", "shadow-sm", "h-100"],
+                            ),
+                            classes=["col-md-6"],
+                        ),
+                        # Paid Tier
+                        html.div(
+                            html.div(
+                                html.div(
+                                    html.h3(
+                                        "Unlimited",
+                                        classes=["card-title"],
+                                    ),
+                                    html.h4(
+                                        "$12/mo",
+                                        classes=[
+                                            "card-subtitle",
+                                            "mb-3",
+                                            "text-muted",
+                                        ],
+                                    ),
+                                    html.p(
+                                        "Unlimited articles",
+                                        classes=["card-text"],
+                                    ),
+                                    html.ul(
+                                        html.li("Unlimited conversions"),
+                                        html.li("Priority processing"),
+                                        html.li("Support independent software"),
+                                        classes=["list-unstyled", "mb-4"],
+                                    ),
+                                    html.form(
+                                        html.button(
+                                            "Upgrade Now",
+                                            type="submit",
+                                            classes=[
+                                                "btn",
+                                                "btn-primary",
+                                                "w-100",
+                                            ],
+                                        ),
+                                        action="/upgrade",
+                                        method="POST",
+                                    )
+                                    if user and current_tier == "free"
+                                    else (
+                                        html.button(
+                                            "Current Plan",
+                                            classes=[
+                                                "btn",
+                                                "btn-success",
+                                                "w-100",
+                                            ],
+                                            disabled=True,
+                                        )
+                                        if user and current_tier == "paid"
+                                        else html.a(
+                                            "Login to Upgrade",
+                                            href="/",
+                                            classes=[
+                                                "btn",
+                                                "btn-primary",
+                                                "w-100",
+                                            ],
+                                        )
+                                    ),
+                                    classes=["card-body"],
+                                ),
+                                classes=[
+                                    "card",
+                                    "mb-4",
+                                    "shadow-sm",
+                                    "border-primary",
+                                    "h-100",
+                                ],
+                            ),
+                            classes=["col-md-6"],
+                        ),
+                        classes=["row"],
+                    ),
+                    classes=["container", "py-3"],
+                ),
+            ],
+        )
diff --git a/Biz/PodcastItLater/Web.py b/Biz/PodcastItLater/Web.py
index 4a8e57e..7e8e969 100644
--- a/Biz/PodcastItLater/Web.py
+++ b/Biz/PodcastItLater/Web.py
@@ -973,6 +973,36 @@ def public_feed(request: Request) -> PublicFeedPage:
     )
 
 
+@app.get("/pricing")
+def pricing(request: Request) -> UI.PricingPage:
+    """Display pricing page."""
+    user_id = request.session.get("user_id")
+    user = Core.Database.get_user_by_id(user_id) if user_id else None
+
+    return UI.PricingPage(
+        user=user,
+    )
+
+
+@app.post("/upgrade")
+def upgrade(request: Request) -> RedirectResponse:
+    """Start upgrade checkout flow."""
+    user_id = request.session.get("user_id")
+    if not user_id:
+        return RedirectResponse(url="/?error=login_required")
+
+    try:
+        checkout_url = Billing.create_checkout_session(
+            user_id,
+            "paid",
+            BASE_URL,
+        )
+        return RedirectResponse(url=checkout_url, status_code=303)
+    except ValueError:
+        logger.exception("Failed to create checkout session")
+        return RedirectResponse(url="/pricing?error=checkout_failed")
+
+
 def _handle_test_login(email: str, request: Request) -> Response:
     """Handle login in test mode."""
     # Special handling for demo account
diff --git a/Omni/Task.hs b/Omni/Task.hs
index d1e672a..10136c9 100644
--- a/Omni/Task.hs
+++ b/Omni/Task.hs
@@ -312,7 +312,13 @@ unitTests =
         ready <- getReadyTasks
         -- Both should be ready since Related doesn't block
         (taskId task1 `elem` map taskId ready) Test.@?= True
-        (taskId task2 `elem` map taskId ready) Test.@?= True
+        (taskId task2 `elem` map taskId ready) Test.@?= True,
+      Test.unit "child task gets sequential ID" <| do
+        parent <- createTask "Parent" Epic Nothing Nothing P2 []
+        child1 <- createTask "Child 1" WorkTask (Just (taskId parent)) Nothing P2 []
+        child2 <- createTask "Child 2" WorkTask (Just (taskId parent)) Nothing P2 []
+        taskId child1 Test.@?= taskId parent <> ".1"
+        taskId child2 Test.@?= taskId parent <> ".2"
     ]
 
 -- | Test CLI argument parsing to ensure docopt string matches actual usage
diff --git a/Omni/Task/Core.hs b/Omni/Task/Core.hs
index f7b7915..798f8fe 100644
--- a/Omni/Task/Core.hs
+++ b/Omni/Task/Core.hs
@@ -111,6 +111,28 @@ generateId = do
       encoded = toBase62 (fromIntegral microseconds)
   pure <| "t-" <> T.pack encoded
 
+-- Generate a child ID based on parent ID (e.g. "t-abc.1")
+generateChildId :: Text -> IO Text
+generateChildId parentId = do
+  tasks <- loadTasks
+  let children = filter (\t -> taskParent t == Just parentId) tasks
+      -- Find the max suffix
+      suffixes = mapMaybe (\t -> getSuffix parentId (taskId t)) children
+      nextSuffix = case suffixes of
+        [] -> 1
+        s -> maximum s + 1
+  pure <| parentId <> "." <> T.pack (show nextSuffix)
+
+getSuffix :: Text -> Text -> Maybe Int
+getSuffix parent childId =
+  if parent `T.isPrefixOf` childId && T.length childId > T.length parent
+    then
+       let rest = T.drop (T.length parent) childId
+       in if T.head rest == '.'
+             then readMaybe (T.unpack (T.tail rest))
+             else Nothing
+    else Nothing
+
 -- Convert number to base62 (0-9, a-z, A-Z)
 toBase62 :: Integer -> String
 toBase62 0 = "0"
@@ -192,7 +214,9 @@ saveTask task = do
 -- Create a new task
 createTask :: Text -> TaskType -> Maybe Text -> Maybe Text -> Priority -> [Dependency] -> IO Task
 createTask title taskType parent namespace priority deps = do
-  tid <- generateId
+  tid <- case parent of
+    Nothing -> generateId
+    Just pid -> generateChildId pid
   now <- getCurrentTime
   let task =
         Task