Client-stepper: pre-fill existing KYC/address proofs in edit, fix identifier saves

Edit-mode now shows the previously selected KYC document type + uploaded file thumbnail
(loads from /clients/{id}/identifiers + /client_identifiers/{id}/documents). Same for
address proof on the India address step. Closes the gap where editing a client showed
an empty file picker even when proof had been uploaded on create.

Identifier-save hardened across all three callsites (create-client, edit-client,
identities-tab.createIdentifierWithDocs) - the KYC chip picker proofId is a CODE
string ('AADHAAR'), but backend ClientIdentifierRequest.documentTypeId is Long, which
Spring rejects with HttpMessageNotReadableException -> 400. resolveDocumentTypeId
helper looks up the code against /kyc/proof-types?type=id and substitutes the numeric
CodeValue id before posting. Skips silently for constitution-specific non-individual
docs that have no CodeValue mapping.

KYC payload normalises panNumber / enterprisePan / gstinNumber / cinNumber via
toUpperCase + whitespace strip so user-typed lowercase or trailing spaces don't trip
the backend regex (validation.msg.CLIENTKYC.panNumber.does.not.match.regexp).

State name match in client-address save now normalises both sides (lowercase, collapse
underscores + spaces) so legacy MADHYA_PRADESH resolves to 'Madhya Pradesh' returned
by api.postalpincode.in. Backed by tenant migration 0297.

Identities-tab resolver flattened - was returning identifiers before the per-row
forkJoin(getClientIdentificationDocuments) completed, so the view rendered empty
documents arrays. Now uses switchMap + forkJoin so the resolver awaits completion.

Also bundles concurrent work-in-progress on letter-mgmt, organization, users,
bank-calendar, shell, nominee/notes/identifier dialogs, and theming.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

src/app/clients/clients-view/kyc-tab/kyc-tab.component.html

@@ -203,27 +203,54 @@
             <span class="kv-table__col kv-table__col--action"></span>
           </div>
         }
+      </div>
 
-        <!-- PAN-Aadhaar Link Row -->
-        <div class="kv-table__row kv-table__row--link">
-          <span class="kv-table__col kv-table__col--doc">
-            <mat-icon class="kv-doc-icon">link</mat-icon> PAN–Aadhaar Link
-          </span>
-          <span class="kv-table__col kv-table__col--num">Sec 139AA</span>
-          <span class="kv-table__col kv-table__col--status">
-            @if (kycData?.panAadhaarSeedingStatus === 'Y') {
-              <span class="kv-status kv-status--ok"><mat-icon>check_circle</mat-icon> Linked</span>
-            } @else if (kycData?.panAadhaarSeedingStatus === 'N') {
-              <span class="kv-status kv-status--fail"><mat-icon>cancel</mat-icon> Not Linked</span>
-            } @else if (kycData?.panAadhaarSeedingStatus === 'E') {
-              <span class="kv-status kv-status--info"><mat-icon>info</mat-icon> Exempt</span>
-            } @else {
-              <span class="kv-status kv-status--pending"><mat-icon>radio_button_unchecked</mat-icon> Pending</span>
-            }
-          </span>
-          <span class="kv-table__col kv-table__col--date">—</span>
-          <span class="kv-table__col kv-table__col--action"></span>
+      <!-- ─── PAN ↔ Aadhaar Link — premium status card (replaces the legacy
+             table row). Dark gradient base with state-driven accent so the
+             linking state is the first thing a reviewer sees. -->
+      <div
+        class="pal-card"
+        [class.pal-card--ok]="kycData?.panAadhaarSeedingStatus === 'Y'"
+        [class.pal-card--fail]="kycData?.panAadhaarSeedingStatus === 'N'"
+        [class.pal-card--info]="kycData?.panAadhaarSeedingStatus === 'E'"
+        [class.pal-card--pending]="
+          kycData?.panAadhaarSeedingStatus !== 'Y' &&
+          kycData?.panAadhaarSeedingStatus !== 'N' &&
+          kycData?.panAadhaarSeedingStatus !== 'E'
+        "
+      >
+        <div class="pal-card__left">
+          <div class="pal-card__icon">
+            <mat-icon>credit_card</mat-icon>
+          </div>
+          <div class="pal-card__txt">
+            <div class="pal-card__small">Verification Status</div>
+            <div class="pal-card__title">PAN &harr; Aadhaar</div>
+            <div class="pal-card__status">
+              @if (kycData?.panAadhaarSeedingStatus === 'Y') {
+                <mat-icon>check_circle</mat-icon> Linked (Seeded)
+              } @else if (kycData?.panAadhaarSeedingStatus === 'N') {
+                <mat-icon>cancel</mat-icon> Not Linked
+              } @else if (kycData?.panAadhaarSeedingStatus === 'E') {
+                <mat-icon>info</mat-icon> Exempt
+              } @else {
+                <mat-icon>radio_button_unchecked</mat-icon> Pending
+              }
+            </div>
+          </div>
         </div>
+        <div class="pal-card__badge">
+          @if (kycData?.panAadhaarSeedingStatus === 'Y') {
+            <mat-icon>check</mat-icon>
+          } @else if (kycData?.panAadhaarSeedingStatus === 'N') {
+            <mat-icon>close</mat-icon>
+          } @else if (kycData?.panAadhaarSeedingStatus === 'E') {
+            <mat-icon>info</mat-icon>
+          } @else {
+            <mat-icon>schedule</mat-icon>
+          }
+        </div>
+        <div class="pal-card__hint">As per Income Tax Portal &mdash; Section 139AA</div>
       </div>
 
       <!-- Aadhaar OTP inline (shown below table when re-verifying) -->