fix(WP-0014): pre-flight compilation fixes, Tailwind pipeline, and admin seed

A2 — Compilation fixes:
- Remove inline FK constraints from Schema.sql; IHP schema compiler cannot
  parse them. Add 1744329600-restore-fk-constraints.sql migration to restore
  referential integrity at the DB level.
- Rename `#label` → `#label_` throughout to avoid clash with Haskell built-in.
- Fix `hub.id == hid` UUID comparisons to use `toUUID hub.id`.
- Replace non-existent `setStatus`/`respondJson` calls with
  `renderJsonWithStatusCode` throughout Api controllers.
- Fix qualified package import for `cryptohash-sha256` in Auth.hs.
- Add `CanSelect (Text, Text)` instance in Helper.View.
- Refactor HSX inline lambdas to named helper functions in 100+ views
  (GHC cannot infer types for anonymous functions inside quasi-quoted HSX).
- Fix missing imports (IHP.QueryBuilder, IHP.Fetch, Web.Routes, Only, etc.)
  across helpers and controllers.
- Remove duplicate `diffUTCTime` definition in BottleneckDetector.
- Change `createEventForHub` return type from `IO ResponseReceived` to `IO ()`.
- Seed type-registry vocabulary via 1744502400-seed-type-registries.sql
  (moved from Schema.sql where IHP does not execute INSERT statements).

A3 — Tailwind build pipeline:
- Add `tailwindcss` to flake.nix native packages.
- Uncomment `tailwind.exec` process in devenv shell config.
- Add tailwind/tailwind.config.js (scans Web/View/**/*.hs).
- Add tailwind/app.css with @tailwind directives.

A4 — Admin user seed:
- Add 1744416000-seed-admin-user.sql: inserts admin@inter-hub.local
  with bcrypt-hashed password admin1234! (cost 10).
- Add .env.example documenting all required environment variables
  and default admin credentials.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Web/View/DecisionRecords/Index.hs

@@ -4,6 +4,7 @@ import Web.Types
 import Generated.Types
 import IHP.Prelude
 import IHP.ViewPrelude
+import Web.Routes ()
 
 data IndexView = IndexView
     { records        :: ![DecisionRecord]
@@ -29,17 +30,21 @@ instance View IndexView where
         <div class="flex gap-2 mb-5 text-sm flex-wrap">
             <a href={DecisionRecordsAction}
                class={filterTabClass Nothing mOutcomeFilter}>All</a>
-            {forEach allOutcomes (\o -> [hsx|
-                <a href={decisionFilterUrl o}
-                   class={filterTabClass (Just o) mOutcomeFilter}>{o}</a>
-            |])}
+            {forEach allOutcomes (renderOutcomeTab mOutcomeFilter)}
         </div>
 
-        {if null records
-            then [hsx|<p class="text-sm text-gray-400">No decision records found.</p>|]
-            else renderTable records requirements users}
+        {if null records then noDecisionsMsg else renderTable records requirements users}
     |]
 
+noDecisionsMsg :: Html
+noDecisionsMsg = [hsx|<p class="text-sm text-gray-400">No decision records found.</p>|]
+
+renderOutcomeTab :: Maybe Text -> Text -> Html
+renderOutcomeTab mOutcomeFilter o = [hsx|
+    <a href={decisionFilterUrl o}
+       class={filterTabClass (Just o) mOutcomeFilter}>{o}</a>
+|]
+
 decisionFilterUrl :: Text -> Text
 decisionFilterUrl o = "/DecisionRecords?outcome=" <> o
 
@@ -67,7 +72,7 @@ renderRow :: [Requirement] -> [User] -> DecisionRecord -> Html
 renderRow reqs users dr = [hsx|
     <tr class="hover:bg-gray-50">
         <td class="px-4 py-3">
-            <a href={ShowDecisionRecordAction { decisionRecordId = dr.id }}
+            <a href={ShowDecisionRecordAction (dr.id)}
                class="text-indigo-600 hover:text-indigo-800 font-medium">{dr.title}</a>
         </td>
         <td class="px-4 py-3">
@@ -89,9 +94,9 @@ linkedReqTitle :: [Requirement] -> Maybe (Id Requirement) -> Text
 linkedReqTitle _    Nothing    = "—"
 linkedReqTitle reqs (Just rid) = maybe "(unknown)" (.title) (find (\r -> r.id == rid) reqs)
 
-userName :: [User] -> Maybe (Id User) -> Text
+userName :: [User] -> Maybe UUID -> Text
 userName _     Nothing    = "—"
-userName users (Just uid) = maybe "(unknown)" (.name) (find (\u -> u.id == uid) users)
+userName users (Just uid) = maybe "(unknown)" (.name) (find (\u -> toUUID u.id == uid) users)
 
 outcomeClass :: Text -> Text
 outcomeClass "accepted"  = "bg-green-100 text-green-800"