fix(i18n): localize application workflows

Use stable checklist and interview keys for system copy while preserving user-authored content. Localize creation-tab errors, language selectors, match bands, dates, and selected-CV context.

job-tracker-ui/src/components/InterviewPrep.tsx

@@ -61,11 +61,11 @@ export function ApplicationInterviewPrep({ jobId }: { jobId: number }) {
       setBoard(await interviewPrepApi.get(jobId));
       setError(null);
     } catch (err) {
-      setError(getApiErrorMessage(err, "Could not load interview preparation."));
+      setError(getApiErrorMessage(err, t("interviewPrepLoadFailed")));
     } finally {
       setLoading(false);
     }
-  }, [jobId]);
+  }, [jobId, t]);
 
   useEffect(() => {
     load();
@@ -77,7 +77,7 @@ export function ApplicationInterviewPrep({ jobId }: { jobId: number }) {
       await run();
       await load();
     } catch (err) {
-      setError(getApiErrorMessage(err, "Could not update interview preparation."));
+      setError(getApiErrorMessage(err, t("interviewPrepUpdateFailed")));
     } finally {
       setBusy(false);
     }
@@ -133,7 +133,7 @@ export function ApplicationInterviewPrep({ jobId }: { jobId: number }) {
             (board?.groups ?? []).map((group) => (
               <Box key={group.category}>
                 <Typography variant="caption" sx={{ fontWeight: 800, textTransform: "uppercase", letterSpacing: ".06em", color: "text.secondary" }}>
-                  {group.label}
+                  {interviewCategoryLabel(t, group.category)}
                 </Typography>
                 <Stack sx={{ mt: 0.5 }}>
                   {group.items.map((item) => (
@@ -163,7 +163,7 @@ export function ApplicationInterviewPrep({ jobId }: { jobId: number }) {
                 sx={{ minWidth: { sm: 200 } }}
               >
                 {INTERVIEW_PREP_CATEGORIES.map((c) => (
-                  <MenuItem key={c.key} value={c.key}>{c.label}</MenuItem>
+                  <MenuItem key={c.key} value={c.key}>{interviewCategoryLabel(t, c.key)}</MenuItem>
                 ))}
               </TextField>
               <TextField
@@ -271,8 +271,8 @@ function InterviewAiAssistant({ jobId, onAccepted }: { jobId: number; onAccepted
             {INTERVIEW_AI_FOCUS.map((item) => <MenuItem key={item.key} value={item.key}>{t(item.labelKey)}</MenuItem>)}
           </TextField>
           <TextField select size="small" label={t("coverAiDocumentLanguage")} value={language} onChange={(event) => setLanguage(event.target.value as "en" | "nb-NO")} sx={{ minWidth: 190 }}>
-            <MenuItem value="en">English</MenuItem>
-            <MenuItem value="nb-NO">Norsk bokmål</MenuItem>
+            <MenuItem value="en">{t("languageEnglish")}</MenuItem>
+            <MenuItem value="nb-NO">{t("languageNorwegianBokmal")}</MenuItem>
           </TextField>
         </Stack>
         <TextField multiline minRows={2} fullWidth label={t("coverAiAdditionalInstructions")} value={instructions} onChange={(event) => setInstructions(event.target.value)} />
@@ -317,7 +317,7 @@ function PrepRow({ jobId, item, busy, onChanged, onError }: {
       setDraft(null);
       onChanged();
     } catch (err) {
-      onError(getApiErrorMessage(err, "Could not save this answer."));
+      onError(getApiErrorMessage(err, t("interviewPrepAnswerSaveFailed")));
     } finally {
       setSaving(false);
     }
@@ -409,11 +409,11 @@ export function ApplicationFollowUp({ jobId }: { jobId: number }) {
       setAction(result.nextAction ?? "");
       setError(null);
     } catch (err) {
-      setError(getApiErrorMessage(err, "Could not load follow-up."));
+      setError(getApiErrorMessage(err, t("interviewFollowUpLoadFailed")));
     } finally {
       setLoading(false);
     }
-  }, [jobId]);
+  }, [jobId, t]);
 
   useEffect(() => {
     load();
@@ -426,7 +426,7 @@ export function ApplicationFollowUp({ jobId }: { jobId: number }) {
       setData(result);
       setError(null);
     } catch (err) {
-      setError(getApiErrorMessage(err, "Could not save the follow-up."));
+      setError(getApiErrorMessage(err, t("interviewFollowUpSaveFailed")));
     } finally {
       setBusy(false);
     }
@@ -476,3 +476,15 @@ export function ApplicationFollowUp({ jobId }: { jobId: number }) {
     </Shell>
   );
 }
+
+function interviewCategoryLabel(t: (key: any) => string, category: string) {
+  const keys: Record<string, string> = {
+    "company-research": "interviewCategoryCompanyResearch",
+    technical: "interviewCategoryTechnical",
+    behavioural: "interviewCategoryBehavioural",
+    star: "interviewCategoryStar",
+    question: "interviewCategoryQuestions",
+    note: "interviewCategoryNotes",
+  };
+  return keys[category] ? t(keys[category]) : category;
+}