feat(ai-ux): deduplicate AI queries, handle ServiceUnavailable retries, and optimize reader canvas graph prerendering (#44)
This Pull Request encapsulates all outstanding AI, Blazor InteractiveAuto lifecycle, pgvector, and Firefox authorization/session compatibility fixes. ### Key Accomplishments: 1. **Concurrent Request Deduplication (Option B):** Implemented a thread-safe active task registry in `KnowledgeService` that groups concurrent graph extraction queries for the same content, preventing duplicate AI calls completely. 2. **Resilience Strategy for Downstream Demands:** Extended the `ai-retry` resilience pipeline to automatically intercept and retry on temporary Google API `503 ServiceUnavailable` / `high demand` spikes. 3. **Interactive Graph Generation Guard (Option A):** Prevented server-side prerender-phase graph requests in the reader canvas component. 4. **Firefox Compatibility & Cookie Handler:** Implemented an authentication endpoint and hybrid hidden-form submission flow to solve login, registration, and logout redirections and cookies securely. 5. **Autoscrolling & Graph Exclusions:** Added concept-to-block smooth scrolling, active block badging, and filtered out markdown code blocks from being extracted as nodes. All unit tests compiled and passed 100% cleanly. --------- Co-authored-by: Marek Jasiński <jasins.marek@gmail.com> Reviewed-on: #44 Co-authored-by: Antigravity <antigravity@google.com> Co-committed-by: Antigravity <antigravity@google.com>
This commit was merged in pull request #44.
This commit is contained in:
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.current-reading-card {
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width: 100%;
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padding: 2rem;
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overflow: hidden;
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}
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.card-layout {
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display: flex;
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gap: 2.5rem;
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align-items: flex-start;
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}
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.book-cover {
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width: 140px;
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flex-shrink: 0;
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position: relative;
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}
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.book-cover img {
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width: 100%;
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border-radius: 12px;
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box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
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border: 1px solid rgba(255, 255, 255, 0.1);
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transition: transform 0.3s ease;
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}
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.book-cover:hover img {
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transform: translateY(-5px);
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}
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.book-details {
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flex: 1;
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display: flex;
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flex-direction: column;
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gap: 1.25rem;
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min-width: 0; /* Important for ellipsis */
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}
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.header-info {
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display: flex;
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flex-direction: column;
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gap: 0.25rem;
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}
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.book-title {
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font-family: var(--nexus-font-serif);
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font-size: 1.75rem;
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font-weight: 700;
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color: #FFFFFF;
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margin: 0;
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white-space: nowrap;
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overflow: hidden;
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text-overflow: ellipsis;
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}
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.author-name {
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font-size: 0.9rem;
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color: #A0A0A0;
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font-weight: 500;
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}
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.chapter-progress {
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display: flex;
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flex-direction: column;
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gap: 0.75rem;
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}
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.progress-header {
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display: flex;
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justify-content: space-between;
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font-size: 0.85rem;
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font-weight: 600;
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}
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.chapter-name {
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color: #FFFFFF;
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white-space: nowrap;
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overflow: hidden;
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text-overflow: ellipsis;
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}
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.percentage {
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color: var(--nexus-neon);
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}
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.progress-bar-container {
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height: 6px;
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background: rgba(255, 255, 255, 0.05);
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border-radius: 100px;
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overflow: hidden;
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}
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.progress-bar-fill {
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height: 100%;
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background: var(--nexus-neon);
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box-shadow: 0 0 10px rgba(0, 255, 153, 0.4);
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border-radius: 100px;
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transition: width 1s cubic-bezier(0.4, 0, 0.2, 1);
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}
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.book-excerpt {
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font-size: 0.95rem;
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line-height: 1.6;
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color: #B0B0B0;
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margin: 0;
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display: -webkit-box;
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-webkit-line-clamp: 3;
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-webkit-box-orient: vertical;
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overflow: hidden;
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text-overflow: ellipsis;
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}
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.book-excerpt.empty {
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font-style: italic;
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opacity: 0.7;
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}
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.actions {
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margin-top: 0.5rem;
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}
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.btn-nexus {
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display: inline-flex;
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align-items: center;
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gap: 0.75rem;
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padding: 0.8rem 1.5rem;
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border-radius: 8px;
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font-size: 0.9rem;
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font-weight: 600;
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cursor: pointer;
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transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
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border: none;
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}
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.btn-nexus.outline {
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background: transparent;
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color: var(--nexus-neon);
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border: 1px solid rgba(0, 255, 153, 0.3);
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}
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.btn-nexus.outline:hover {
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background: rgba(0, 255, 153, 0.05);
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border-color: var(--nexus-neon);
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transform: translateY(-2px);
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box-shadow: 0 5px 15px rgba(0, 255, 153, 0.1);
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}
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.btn-nexus.primary {
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background: var(--nexus-neon);
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color: #000;
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}
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.btn-nexus.primary:hover {
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transform: translateY(-2px);
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filter: brightness(1.1);
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box-shadow: 0 5px 15px rgba(0, 255, 153, 0.2);
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}
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/* Empty State */
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.empty-state {
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display: flex;
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flex-direction: column;
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align-items: center;
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justify-content: center;
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gap: 1.5rem;
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padding: 2rem;
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text-align: center;
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}
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.empty-icon {
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color: var(--nexus-neon);
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opacity: 0.3;
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filter: drop-shadow(0 0 10px rgba(0, 255, 153, 0.2));
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}
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.empty-text h3 {
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color: #FFFFFF;
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margin: 0 0 0.5rem 0;
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}
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.empty-text p {
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color: #A0A0A0;
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margin: 0;
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}
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@media (max-width: 768px) {
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.card-layout {
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flex-direction: column;
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align-items: center;
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text-align: center;
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gap: 1.5rem;
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}
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.book-title, .chapter-name {
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white-space: normal;
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}
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.header-info, .chapter-progress {
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align-items: center;
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}
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}
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