feat: prioritise and blacklist media and overview in setting page of progress in adding info

Jellyfin.Plugin.JRay/Configuration/configPage.html

@@ -39,6 +39,66 @@
                         </button>
                     </div>
                 </form>
+
+                <h2 style="margin-top:2em;">Coverage</h2>
+                <p class="fieldDescription">
+                    How much of your library has scene-actor truth data. Ignored items are
+                    excluded from the "to&nbsp;do" total, so blacklisting a genre or series
+                    won't drag your progress down.
+                </p>
+                <div id="JRayCoverageSummary" style="margin-bottom:1em;">Loading…</div>
+                <div id="JRayCoverageBar" style="height:1.25em;border-radius:0.25em;overflow:hidden;background:rgba(127,127,127,0.25);display:flex;margin-bottom:0.5em;"></div>
+                <div id="JRayCoverageLegend" class="fieldDescription" style="margin-bottom:1.5em;"></div>
+
+                <details style="margin-bottom:1.5em;">
+                    <summary style="cursor:pointer;">By media type</summary>
+                    <div id="JRayCoverageByType" style="margin-top:0.5em;"></div>
+                </details>
+                <details style="margin-bottom:1.5em;">
+                    <summary style="cursor:pointer;">By genre</summary>
+                    <div id="JRayCoverageByGenre" style="margin-top:0.5em;"></div>
+                </details>
+
+                <h2 style="margin-top:2em;">Prioritise / ignore rules</h2>
+                <p class="fieldDescription">
+                    Shape the work-discovery API (<code>/Plugins/JRay/Tasks/Pending</code>).
+                    <strong>Ignore</strong> hides matching items from extraction workers;
+                    <strong>Prioritise</strong> pushes them to the front of the queue. A more
+                    specific rule wins (item&nbsp;&gt;&nbsp;series&nbsp;&gt;&nbsp;genre). Setting a
+                    rule for a target that already has one replaces it, so nothing can be both
+                    prioritised and ignored.
+                </p>
+
+                <div style="display:flex;flex-wrap:wrap;gap:0.5em;align-items:flex-end;margin-bottom:1em;">
+                    <div class="selectContainer" style="margin:0;">
+                        <label class="selectLabel" for="JRayRuleScope">Scope</label>
+                        <select id="JRayRuleScope" is="emby-select">
+                            <option value="Genre">Genre</option>
+                            <option value="Series">Series</option>
+                            <option value="Item">Item</option>
+                        </select>
+                    </div>
+                    <div id="JRayItemSearchContainer" class="inputContainer" style="margin:0;flex:1;min-width:14em;display:none;">
+                        <label class="inputLabel inputLabelUnfocused" for="JRayItemSearch">Search title</label>
+                        <input id="JRayItemSearch" type="text" is="emby-input" placeholder="Type a movie or episode name…" />
+                    </div>
+                    <div class="selectContainer" style="margin:0;flex:1;min-width:14em;">
+                        <label class="selectLabel" for="JRayRuleValue">Target</label>
+                        <select id="JRayRuleValue" is="emby-select"></select>
+                    </div>
+                    <div class="selectContainer" style="margin:0;">
+                        <label class="selectLabel" for="JRayRuleAction">Action</label>
+                        <select id="JRayRuleAction" is="emby-select">
+                            <option value="Ignore">Ignore</option>
+                            <option value="Prioritise">Prioritise</option>
+                        </select>
+                    </div>
+                    <button id="JRayAddRule" is="emby-button" type="button" class="raised emby-button">
+                        <span>Add rule</span>
+                    </button>
+                </div>
+
+                <div id="JRayRulesList"></div>
             </div>
         </div>
         <script type="text/javascript">
@@ -46,6 +106,230 @@
                 pluginUniqueId: '96a22d9d-23fd-49bb-8970-5e153817d223'
             };
 
+            function jrayUrl(path) {
+                return ApiClient.getUrl('Plugins/JRay/' + path);
+            }
+
+            function jrayApi(path, method, body) {
+                var opts = {
+                    url: jrayUrl(path),
+                    type: method || 'GET'
+                };
+                if (body !== undefined) {
+                    opts.data = JSON.stringify(body);
+                    opts.contentType = 'application/json';
+                }
+                if (!method || method === 'GET') {
+                    opts.dataType = 'json';
+                }
+                return ApiClient.ajax(opts);
+            }
+
+            function escapeHtml(s) {
+                return String(s == null ? '' : s)
+                    .replace(/&/g, '&amp;').replace(/</g, '&lt;')
+                    .replace(/>/g, '&gt;').replace(/"/g, '&quot;');
+            }
+
+            // ---- Coverage ----
+
+            var JRayCoverColors = {
+                covered: '#4caf50',
+                prioritised: '#ff9800',
+                pending: '#9e9e9e',
+                ignored: 'rgba(127,127,127,0.35)'
+            };
+
+            function renderBar(el, counts) {
+                el.innerHTML = '';
+                var order = [
+                    ['covered', counts.covered],
+                    ['prioritised', counts.prioritised],
+                    ['pending', counts.pending - counts.prioritised],
+                    ['ignored', counts.ignored]
+                ];
+                order.forEach(function (seg) {
+                    if (counts.total <= 0 || seg[1] <= 0) { return; }
+                    var d = document.createElement('div');
+                    d.style.background = JRayCoverColors[seg[0]];
+                    d.style.width = (100 * seg[1] / counts.total) + '%';
+                    el.appendChild(d);
+                });
+            }
+
+            function pct(counts) {
+                var denom = counts.total - counts.ignored;
+                if (denom <= 0) { return '—'; }
+                return Math.round(100 * counts.covered / denom) + '%';
+            }
+
+            function renderBreakdown(el, rows) {
+                if (!rows || !rows.length) {
+                    el.textContent = 'Nothing to show.';
+                    return;
+                }
+                var html = '<table style="width:100%;border-collapse:collapse;">' +
+                    '<thead><tr style="text-align:left;">' +
+                    '<th>Name</th><th>Covered</th><th>Pending</th><th>Ignored</th><th>Total</th><th>%</th>' +
+                    '</tr></thead><tbody>';
+                rows.forEach(function (r) {
+                    var c = r.counts;
+                    html += '<tr>' +
+                        '<td>' + escapeHtml(r.label) + '</td>' +
+                        '<td>' + c.covered + '</td>' +
+                        '<td>' + c.pending + (c.prioritised ? ' (' + c.prioritised + ' ★)' : '') + '</td>' +
+                        '<td>' + c.ignored + '</td>' +
+                        '<td>' + c.total + '</td>' +
+                        '<td>' + pct(c) + '</td>' +
+                        '</tr>';
+                });
+                html += '</tbody></table>';
+                el.innerHTML = html;
+            }
+
+            function loadCoverage() {
+                document.querySelector('#JRayCoverageSummary').textContent = 'Loading…';
+                jrayApi('Coverage').then(function (report) {
+                    var t = report.total;
+                    document.querySelector('#JRayCoverageSummary').innerHTML =
+                        '<strong>' + pct(t) + '</strong> covered — ' +
+                        t.covered + ' of ' + (t.total - t.ignored) + ' items processed' +
+                        (t.ignored ? ' (' + t.ignored + ' ignored)' : '') + '.';
+                    renderBar(document.querySelector('#JRayCoverageBar'), t);
+                    document.querySelector('#JRayCoverageLegend').innerHTML =
+                        '<span style="color:' + JRayCoverColors.covered + '">■</span> covered &nbsp; ' +
+                        '<span style="color:' + JRayCoverColors.prioritised + '">■</span> prioritised &nbsp; ' +
+                        '<span style="color:' + JRayCoverColors.pending + '">■</span> pending &nbsp; ' +
+                        '<span>▨</span> ignored';
+                    renderBreakdown(document.querySelector('#JRayCoverageByType'), report.by_media_type);
+                    renderBreakdown(document.querySelector('#JRayCoverageByGenre'), report.by_genre);
+                });
+            }
+
+            // ---- Rules ----
+
+            var JRayOptionCache = { Genre: null, Series: null };
+
+            function loadOptionsFor(scope) {
+                if (JRayOptionCache[scope]) {
+                    return Promise.resolve(JRayOptionCache[scope]);
+                }
+                var path = scope === 'Series' ? 'Coverage/Series' : 'Coverage/Genres';
+                return jrayApi(path).then(function (opts) {
+                    JRayOptionCache[scope] = opts;
+                    return opts;
+                });
+            }
+
+            function fillSelect(select, opts, emptyText) {
+                if (!opts.length) {
+                    select.innerHTML = '<option value="">' + emptyText + '</option>';
+                    return;
+                }
+                select.innerHTML = opts.map(function (o) {
+                    return '<option value="' + escapeHtml(o.value) + '">' + escapeHtml(o.label) + '</option>';
+                }).join('');
+            }
+
+            function populateValueSelect() {
+                var scope = document.querySelector('#JRayRuleScope').value;
+                var select = document.querySelector('#JRayRuleValue');
+                var isItem = scope === 'Item';
+                document.querySelector('#JRayItemSearchContainer').style.display = isItem ? '' : 'none';
+
+                if (isItem) {
+                    // The target dropdown is filled from a live search instead of a full list.
+                    select.innerHTML = '<option value="">Type a title to search…</option>';
+                    return;
+                }
+
+                select.innerHTML = '<option value="">Loading…</option>';
+                loadOptionsFor(scope).then(function (opts) {
+                    fillSelect(select, opts, '(none found)');
+                });
+            }
+
+            var JRayItemSearchTimer = null;
+            function onItemSearch() {
+                var term = document.querySelector('#JRayItemSearch').value.trim();
+                var select = document.querySelector('#JRayRuleValue');
+                clearTimeout(JRayItemSearchTimer);
+                if (!term) {
+                    select.innerHTML = '<option value="">Type a title to search…</option>';
+                    return;
+                }
+                select.innerHTML = '<option value="">Searching…</option>';
+                JRayItemSearchTimer = setTimeout(function () {
+                    jrayApi('Coverage/Items?search=' + encodeURIComponent(term)).then(function (opts) {
+                        fillSelect(select, opts, '(no matches)');
+                    });
+                }, 300);
+            }
+
+            function labelForRule(rule) {
+                if (rule.label) { return rule.label; }
+                var cache = JRayOptionCache[rule.scope];
+                if (cache) {
+                    var hit = cache.filter(function (o) { return o.value === rule.value; })[0];
+                    if (hit) { return hit.label; }
+                }
+                return rule.value;
+            }
+
+            function loadRules() {
+                jrayApi('Policy/Rules').then(function (rules) {
+                    var el = document.querySelector('#JRayRulesList');
+                    if (!rules.length) {
+                        el.innerHTML = '<p class="fieldDescription">No rules yet.</p>';
+                        return;
+                    }
+                    var html = '<table style="width:100%;border-collapse:collapse;">' +
+                        '<thead><tr style="text-align:left;"><th>Action</th><th>Scope</th><th>Target</th><th></th></tr></thead><tbody>';
+                    rules.forEach(function (r) {
+                        var badge = r.action === 'Prioritise'
+                            ? '<span style="color:' + JRayCoverColors.prioritised + '">★ Prioritise</span>'
+                            : '<span>⦸ Ignore</span>';
+                        html += '<tr>' +
+                            '<td>' + badge + '</td>' +
+                            '<td>' + escapeHtml(r.scope) + '</td>' +
+                            '<td>' + escapeHtml(labelForRule(r)) + '</td>' +
+                            '<td><button is="emby-button" type="button" class="emby-button jray-del" ' +
+                            'data-scope="' + escapeHtml(r.scope) + '" data-value="' + escapeHtml(r.value) + '">Remove</button></td>' +
+                            '</tr>';
+                    });
+                    html += '</tbody></table>';
+                    el.innerHTML = html;
+
+                    Array.prototype.forEach.call(el.querySelectorAll('.jray-del'), function (btn) {
+                        btn.addEventListener('click', function () {
+                            var q = 'Policy/Rules?scope=' + encodeURIComponent(btn.getAttribute('data-scope')) +
+                                '&value=' + encodeURIComponent(btn.getAttribute('data-value'));
+                            jrayApi(q, 'DELETE').then(function () {
+                                loadRules();
+                                loadCoverage();
+                            });
+                        });
+                    });
+                });
+            }
+
+            function addRule() {
+                var scope = document.querySelector('#JRayRuleScope').value;
+                var valueSelect = document.querySelector('#JRayRuleValue');
+                var value = valueSelect.value;
+                if (!value) { return; }
+                var rule = {
+                    scope: scope,
+                    value: value,
+                    action: document.querySelector('#JRayRuleAction').value,
+                    label: valueSelect.options[valueSelect.selectedIndex].text
+                };
+                jrayApi('Policy/Rules', 'PUT', rule).then(function () {
+                    loadRules();
+                    loadCoverage();
+                });
+            }
+
             document.querySelector('#JRayConfigPage')
                 .addEventListener('pageshow', function() {
                     Dashboard.showLoadingMsg();
@@ -55,8 +339,16 @@
                         document.querySelector('#EnableOverlay').checked = config.EnableOverlay;
                         Dashboard.hideLoadingMsg();
                     });
+
+                    populateValueSelect();
+                    loadRules();
+                    loadCoverage();
                 });
 
+            document.querySelector('#JRayRuleScope').addEventListener('change', populateValueSelect);
+            document.querySelector('#JRayItemSearch').addEventListener('input', onItemSearch);
+            document.querySelector('#JRayAddRule').addEventListener('click', addRule);
+
             document.querySelector('#JRayConfigForm')
                 .addEventListener('submit', function(e) {
                 Dashboard.showLoadingMsg();

Jellyfin.Plugin.JRay/Controllers/CoverageController.cs

@@ -0,0 +1,228 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using Jellyfin.Data.Enums;
+using Jellyfin.Plugin.JRay.Models;
+using Jellyfin.Plugin.JRay.Services;
+using Jellyfin.Plugin.JRay.Services.Interfaces;
+using MediaBrowser.Controller.Entities;
+using MediaBrowser.Controller.Entities.TV;
+using MediaBrowser.Controller.Library;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Mvc;
+
+namespace Jellyfin.Plugin.JRay.Controllers;
+
+/// <summary>
+/// Reports how much of the library has truth data (overall, by media type, and
+/// by genre), and supplies the genre/series option lists the config page's
+/// rule editor needs.
+/// </summary>
+[ApiController]
+[Route("Plugins/JRay/Coverage")]
+[Authorize(Roles = "Administrator")]
+public class CoverageController : ControllerBase
+{
+    private readonly ILibraryManager _libraryManager;
+    private readonly ITruthDataService _truthDataService;
+    private readonly IMediaPolicyStore _policyStore;
+
+    /// <summary>
+    /// Initializes a new instance of the <see cref="CoverageController"/> class.
+    /// </summary>
+    /// <param name="libraryManager">The Jellyfin library manager.</param>
+    /// <param name="truthDataService">The truth data service.</param>
+    /// <param name="policyStore">The media policy store.</param>
+    public CoverageController(ILibraryManager libraryManager, ITruthDataService truthDataService, IMediaPolicyStore policyStore)
+    {
+        _libraryManager = libraryManager;
+        _truthDataService = truthDataService;
+        _policyStore = policyStore;
+    }
+
+    /// <summary>
+    /// Gets the coverage report: totals plus breakdowns by media type and by genre.
+    /// </summary>
+    /// <returns>The coverage report.</returns>
+    [HttpGet]
+    [ProducesResponseType(StatusCodes.Status200OK)]
+    public ActionResult<CoverageReport> GetCoverage()
+    {
+        var rules = _policyStore.GetRules();
+
+        var items = _libraryManager.GetItemList(new InternalItemsQuery
+        {
+            IncludeItemTypes = new[] { BaseItemKind.Movie, BaseItemKind.Episode },
+            IsVirtualItem = false,
+            Recursive = true,
+        });
+
+        var report = new CoverageReport();
+        var byMediaType = new Dictionary<string, CoverageCounts>(StringComparer.Ordinal);
+        var byGenre = new Dictionary<string, CoverageCounts>(StringComparer.OrdinalIgnoreCase);
+
+        foreach (var item in items)
+        {
+            if (string.IsNullOrEmpty(item.Path))
+            {
+                continue;
+            }
+
+            var covered = _truthDataService.HasTruth(item.Id, item.Path);
+            var action = PolicyResolver.Resolve(rules, item.Id, TasksController.GetSeriesId(item), item.Genres);
+
+            Accumulate(report.Total, covered, action);
+            Accumulate(GetBucket(byMediaType, MediaTypeLabel(item)), covered, action);
+
+            foreach (var genre in item.Genres)
+            {
+                if (!string.IsNullOrWhiteSpace(genre))
+                {
+                    Accumulate(GetBucket(byGenre, genre), covered, action);
+                }
+            }
+        }
+
+        foreach (var kvp in byMediaType.OrderBy(k => k.Key, StringComparer.Ordinal))
+        {
+            report.ByMediaType.Add(new CoverageBreakdownRow { Label = kvp.Key, Counts = kvp.Value });
+        }
+
+        foreach (var kvp in byGenre.OrderBy(k => k.Key, StringComparer.OrdinalIgnoreCase))
+        {
+            report.ByGenre.Add(new CoverageBreakdownRow { Label = kvp.Key, Counts = kvp.Value });
+        }
+
+        return Ok(report);
+    }
+
+    /// <summary>
+    /// Gets the distinct genres present on movies/episodes, for the rule editor.
+    /// </summary>
+    /// <returns>Genre options, sorted by name.</returns>
+    [HttpGet("Genres")]
+    [ProducesResponseType(StatusCodes.Status200OK)]
+    public ActionResult<IEnumerable<PickerOption>> GetGenres()
+    {
+        var items = _libraryManager.GetItemList(new InternalItemsQuery
+        {
+            IncludeItemTypes = new[] { BaseItemKind.Movie, BaseItemKind.Episode },
+            IsVirtualItem = false,
+            Recursive = true,
+        });
+
+        var genres = items
+            .SelectMany(item => item.Genres)
+            .Where(g => !string.IsNullOrWhiteSpace(g))
+            .Distinct(StringComparer.OrdinalIgnoreCase)
+            .OrderBy(g => g, StringComparer.OrdinalIgnoreCase)
+            .Select(g => new PickerOption { Value = g, Label = g });
+
+        return Ok(genres);
+    }
+
+    /// <summary>
+    /// Gets the series in the library, for the rule editor's series picker.
+    /// </summary>
+    /// <returns>Series options (id + title), sorted by title.</returns>
+    [HttpGet("Series")]
+    [ProducesResponseType(StatusCodes.Status200OK)]
+    public ActionResult<IEnumerable<PickerOption>> GetSeries()
+    {
+        var series = _libraryManager.GetItemList(new InternalItemsQuery
+        {
+            IncludeItemTypes = new[] { BaseItemKind.Series },
+            IsVirtualItem = false,
+            Recursive = true,
+        });
+
+        var options = series
+            .OrderBy(s => s.Name, StringComparer.OrdinalIgnoreCase)
+            .Select(s => new PickerOption { Value = s.Id.ToString("D"), Label = s.Name });
+
+        return Ok(options);
+    }
+
+    /// <summary>
+    /// Searches movies/episodes by name, for the rule editor's item picker.
+    /// </summary>
+    /// <param name="search">A name fragment to match (case-insensitive). Required.</param>
+    /// <param name="limit">The maximum number of results (default 25, max 100).</param>
+    /// <returns>Matching item options (id + name), sorted by name.</returns>
+    [HttpGet("Items")]
+    [ProducesResponseType(StatusCodes.Status200OK)]
+    public ActionResult<IEnumerable<PickerOption>> SearchItems([FromQuery] string? search, [FromQuery] int limit = 25)
+    {
+        if (string.IsNullOrWhiteSpace(search))
+        {
+            return Ok(Array.Empty<PickerOption>());
+        }
+
+        var items = _libraryManager.GetItemList(new InternalItemsQuery
+        {
+            IncludeItemTypes = new[] { BaseItemKind.Movie, BaseItemKind.Episode },
+            IsVirtualItem = false,
+            Recursive = true,
+            SearchTerm = search,
+            Limit = Math.Clamp(limit, 1, 100),
+        });
+
+        var options = items
+            .OrderBy(i => i.Name, StringComparer.OrdinalIgnoreCase)
+            .Select(i => new PickerOption { Value = i.Id.ToString("D"), Label = ItemLabel(i) });
+
+        return Ok(options);
+    }
+
+    private static string ItemLabel(BaseItem item)
+    {
+        // Give episodes a series-qualified label so identically-named episodes
+        // (e.g. "Pilot") are distinguishable in the picker.
+        if (item is Episode episode && !string.IsNullOrEmpty(episode.SeriesName))
+        {
+            return episode.SeriesName + " — " + item.Name;
+        }
+
+        return item.Name;
+    }
+
+    private static void Accumulate(CoverageCounts counts, bool covered, PolicyAction? action)
+    {
+        counts.Total++;
+
+        if (action == PolicyAction.Ignore)
+        {
+            counts.Ignored++;
+            return;
+        }
+
+        if (covered)
+        {
+            counts.Covered++;
+            return;
+        }
+
+        counts.Pending++;
+        if (action == PolicyAction.Prioritise)
+        {
+            counts.Prioritised++;
+        }
+    }
+
+    private static CoverageCounts GetBucket(Dictionary<string, CoverageCounts> buckets, string key)
+    {
+        if (!buckets.TryGetValue(key, out var counts))
+        {
+            counts = new CoverageCounts();
+            buckets[key] = counts;
+        }
+
+        return counts;
+    }
+
+    private static string MediaTypeLabel(BaseItem item)
+    {
+        return item.GetBaseItemKind() == BaseItemKind.Episode ? "TV" : "Film";
+    }
+}

Jellyfin.Plugin.JRay/Controllers/PolicyController.cs

@@ -0,0 +1,76 @@
+using System.Collections.Generic;
+using Jellyfin.Plugin.JRay.Models;
+using Jellyfin.Plugin.JRay.Services.Interfaces;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Mvc;
+
+namespace Jellyfin.Plugin.JRay.Controllers;
+
+/// <summary>
+/// Manages the prioritise/ignore rules that shape the work-discovery API
+/// (<c>GET /Plugins/JRay/Tasks/Pending</c>). Rules can target a genre, a
+/// series, or a single item; setting a rule for a target that already has one
+/// replaces it, so a target can never be both prioritised and ignored.
+/// </summary>
+[ApiController]
+[Route("Plugins/JRay/Policy")]
+[Authorize(Roles = "Administrator")]
+public class PolicyController : ControllerBase
+{
+    private readonly IMediaPolicyStore _policyStore;
+
+    /// <summary>
+    /// Initializes a new instance of the <see cref="PolicyController"/> class.
+    /// </summary>
+    /// <param name="policyStore">The media policy store.</param>
+    public PolicyController(IMediaPolicyStore policyStore)
+    {
+        _policyStore = policyStore;
+    }
+
+    /// <summary>
+    /// Gets all configured prioritise/ignore rules.
+    /// </summary>
+    /// <returns>The current rules.</returns>
+    [HttpGet("Rules")]
+    [ProducesResponseType(StatusCodes.Status200OK)]
+    public ActionResult<IReadOnlyList<MediaPolicyRule>> GetRules()
+    {
+        return Ok(_policyStore.GetRules());
+    }
+
+    /// <summary>
+    /// Adds or replaces a rule. If a rule already exists for the same scope
+    /// and value, its action is updated.
+    /// </summary>
+    /// <param name="rule">The rule to set.</param>
+    /// <returns>204 on success, or 400 if the rule has no value.</returns>
+    [HttpPut("Rules")]
+    [ProducesResponseType(StatusCodes.Status204NoContent)]
+    [ProducesResponseType(StatusCodes.Status400BadRequest)]
+    public IActionResult SetRule([FromBody] MediaPolicyRule rule)
+    {
+        if (rule is null || string.IsNullOrWhiteSpace(rule.Value))
+        {
+            return BadRequest("A rule must have a non-empty value.");
+        }
+
+        _policyStore.SetRule(rule);
+        return NoContent();
+    }
+
+    /// <summary>
+    /// Removes the rule matching the given scope and value.
+    /// </summary>
+    /// <param name="scope">The scope of the rule to remove.</param>
+    /// <param name="value">The value of the rule to remove.</param>
+    /// <returns>204 whether or not a matching rule existed.</returns>
+    [HttpDelete("Rules")]
+    [ProducesResponseType(StatusCodes.Status204NoContent)]
+    public IActionResult RemoveRule([FromQuery] PolicyScope scope, [FromQuery] string value)
+    {
+        _policyStore.RemoveRule(scope, value ?? string.Empty);
+        return NoContent();
+    }
+}

Jellyfin.Plugin.JRay/Controllers/TasksController.cs

@@ -3,8 +3,10 @@ using System.Collections.Generic;
 using System.Linq;
 using Jellyfin.Data.Enums;
 using Jellyfin.Plugin.JRay.Models;
+using Jellyfin.Plugin.JRay.Services;
 using Jellyfin.Plugin.JRay.Services.Interfaces;
 using MediaBrowser.Controller.Entities;
+using MediaBrowser.Controller.Entities.TV;
 using MediaBrowser.Controller.Library;
 using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Http;
@@ -26,16 +28,19 @@ public class TasksController : ControllerBase
 
     private readonly ILibraryManager _libraryManager;
     private readonly ITruthDataService _truthDataService;
+    private readonly IMediaPolicyStore _policyStore;
 
     /// <summary>
     /// Initializes a new instance of the <see cref="TasksController"/> class.
     /// </summary>
     /// <param name="libraryManager">The Jellyfin library manager.</param>
     /// <param name="truthDataService">The truth data service.</param>
-    public TasksController(ILibraryManager libraryManager, ITruthDataService truthDataService)
+    /// <param name="policyStore">The prioritise/ignore policy store.</param>
+    public TasksController(ILibraryManager libraryManager, ITruthDataService truthDataService, IMediaPolicyStore policyStore)
     {
         _libraryManager = libraryManager;
         _truthDataService = truthDataService;
+        _policyStore = policyStore;
     }
 
     /// <summary>
@@ -48,6 +53,7 @@ public class TasksController : ControllerBase
     public ActionResult<IEnumerable<PendingExtractionItem>> GetPending([FromQuery] int limit = DefaultLimit)
     {
         var effectiveLimit = Math.Clamp(limit, 1, MaxLimit);
+        var rules = _policyStore.GetRules();
 
         var items = _libraryManager.GetItemList(new InternalItemsQuery
         {
@@ -56,17 +62,38 @@ public class TasksController : ControllerBase
             Recursive = true,
         });
 
+        // Keep only items that still need truth data, then apply the policy:
+        // drop anything ignored, and order prioritised items ahead of the rest.
+        // Randomise within each tier so the backlog still spreads across workers.
         var pending = items
             .Where(item => !string.IsNullOrEmpty(item.Path) && !_truthDataService.HasTruth(item.Id, item.Path))
-            .OrderBy(_ => Random.Shared.Next())
-            .Take(effectiveLimit)
-            .Select(item => new PendingExtractionItem
+            .Select(item => new
             {
-                ItemId = item.Id,
-                Path = item.Path,
-                Name = item.Name
+                Item = item,
+                Action = PolicyResolver.Resolve(rules, item.Id, GetSeriesId(item), item.Genres)
+            })
+            .Where(x => x.Action != PolicyAction.Ignore)
+            .OrderByDescending(x => x.Action == PolicyAction.Prioritise)
+            .ThenBy(_ => Random.Shared.Next())
+            .Take(effectiveLimit)
+            .Select(x => new PendingExtractionItem
+            {
+                ItemId = x.Item.Id,
+                Path = x.Item.Path,
+                Name = x.Item.Name
             });
 
         return Ok(pending);
     }
+
+    /// <summary>
+    /// Gets the series id for an episode, or <see cref="Guid.Empty"/> for any
+    /// other item type (so series rules only ever match episodes).
+    /// </summary>
+    /// <param name="item">The library item.</param>
+    /// <returns>The owning series id, or empty.</returns>
+    internal static Guid GetSeriesId(BaseItem item)
+    {
+        return item is Episode episode ? episode.SeriesId : Guid.Empty;
+    }
 }

Jellyfin.Plugin.JRay/Models/CoverageBreakdownRow.cs

@@ -0,0 +1,22 @@
+using System.Text.Json.Serialization;
+
+namespace Jellyfin.Plugin.JRay.Models;
+
+/// <summary>
+/// One labelled row of a coverage breakdown (e.g. a single genre, or a single
+/// media type such as "Film" or "TV").
+/// </summary>
+public class CoverageBreakdownRow
+{
+    /// <summary>
+    /// Gets or sets the label for this row (genre name or media type name).
+    /// </summary>
+    [JsonPropertyName("label")]
+    public string Label { get; set; } = string.Empty;
+
+    /// <summary>
+    /// Gets or sets the coverage counts for this row.
+    /// </summary>
+    [JsonPropertyName("counts")]
+    public CoverageCounts Counts { get; set; } = new();
+}

Jellyfin.Plugin.JRay/Models/CoverageCounts.cs

@@ -0,0 +1,41 @@
+using System.Text.Json.Serialization;
+
+namespace Jellyfin.Plugin.JRay.Models;
+
+/// <summary>
+/// A count of library items bucketed by JRay coverage status. Used both for
+/// the overall totals and for each per-genre / per-media-type breakdown row.
+/// </summary>
+public class CoverageCounts
+{
+    /// <summary>
+    /// Gets or sets the total number of items in this bucket.
+    /// </summary>
+    [JsonPropertyName("total")]
+    public int Total { get; set; }
+
+    /// <summary>
+    /// Gets or sets the number of items that already have truth data.
+    /// </summary>
+    [JsonPropertyName("covered")]
+    public int Covered { get; set; }
+
+    /// <summary>
+    /// Gets or sets the number of items awaiting processing (no truth data,
+    /// not ignored). Includes prioritised-but-not-yet-covered items.
+    /// </summary>
+    [JsonPropertyName("pending")]
+    public int Pending { get; set; }
+
+    /// <summary>
+    /// Gets or sets the number of pending items that are prioritised.
+    /// </summary>
+    [JsonPropertyName("prioritised")]
+    public int Prioritised { get; set; }
+
+    /// <summary>
+    /// Gets or sets the number of items excluded from processing by an ignore rule.
+    /// </summary>
+    [JsonPropertyName("ignored")]
+    public int Ignored { get; set; }
+}

Jellyfin.Plugin.JRay/Models/CoverageReport.cs

@@ -0,0 +1,31 @@
+using System.Collections.ObjectModel;
+using System.Text.Json.Serialization;
+
+namespace Jellyfin.Plugin.JRay.Models;
+
+/// <summary>
+/// A snapshot of how much of the library has truth data, with overall totals
+/// and breakdowns by media type and by genre.
+/// </summary>
+public class CoverageReport
+{
+    /// <summary>
+    /// Gets or sets the coverage counts across the whole library.
+    /// </summary>
+    [JsonPropertyName("total")]
+    public CoverageCounts Total { get; set; } = new();
+
+    /// <summary>
+    /// Gets the per-media-type breakdown (Film vs TV).
+    /// </summary>
+    [JsonPropertyName("by_media_type")]
+    [JsonObjectCreationHandling(JsonObjectCreationHandling.Populate)]
+    public Collection<CoverageBreakdownRow> ByMediaType { get; } = new();
+
+    /// <summary>
+    /// Gets the per-genre breakdown, one row per genre present in the library.
+    /// </summary>
+    [JsonPropertyName("by_genre")]
+    [JsonObjectCreationHandling(JsonObjectCreationHandling.Populate)]
+    public Collection<CoverageBreakdownRow> ByGenre { get; } = new();
+}

Jellyfin.Plugin.JRay/Models/MediaPolicyRule.cs

@@ -0,0 +1,38 @@
+using System.Text.Json.Serialization;
+
+namespace Jellyfin.Plugin.JRay.Models;
+
+/// <summary>
+/// A single prioritise/ignore rule. A rule is uniquely identified by its
+/// <see cref="Scope"/> and <see cref="Value"/>; setting a new action for an
+/// existing scope+value replaces the previous one.
+/// </summary>
+public class MediaPolicyRule
+{
+    /// <summary>
+    /// Gets or sets the scope this rule targets (genre, series, or item).
+    /// </summary>
+    [JsonPropertyName("scope")]
+    public PolicyScope Scope { get; set; }
+
+    /// <summary>
+    /// Gets or sets the target value: a genre name for <see cref="PolicyScope.Genre"/>,
+    /// a series id for <see cref="PolicyScope.Series"/>, or an item id for
+    /// <see cref="PolicyScope.Item"/>.
+    /// </summary>
+    [JsonPropertyName("value")]
+    public string Value { get; set; } = string.Empty;
+
+    /// <summary>
+    /// Gets or sets the action to apply (prioritise or ignore).
+    /// </summary>
+    [JsonPropertyName("action")]
+    public PolicyAction Action { get; set; }
+
+    /// <summary>
+    /// Gets or sets an optional human-readable label for the target (e.g. the
+    /// series or item display name), shown in the rules list. Informational only.
+    /// </summary>
+    [JsonPropertyName("label")]
+    public string Label { get; set; } = string.Empty;
+}

Jellyfin.Plugin.JRay/Models/PickerOption.cs

@@ -0,0 +1,23 @@
+using System.Text.Json.Serialization;
+
+namespace Jellyfin.Plugin.JRay.Models;
+
+/// <summary>
+/// A selectable option for the config page's rule editor (a genre or a series),
+/// pairing the value stored in a rule with a human-readable label.
+/// </summary>
+public class PickerOption
+{
+    /// <summary>
+    /// Gets or sets the value stored in a <see cref="MediaPolicyRule"/>
+    /// (a genre name, or a series id).
+    /// </summary>
+    [JsonPropertyName("value")]
+    public string Value { get; set; } = string.Empty;
+
+    /// <summary>
+    /// Gets or sets the label shown to the user (genre name, or series title).
+    /// </summary>
+    [JsonPropertyName("label")]
+    public string Label { get; set; } = string.Empty;
+}

Jellyfin.Plugin.JRay/Models/PolicyAction.cs

@@ -0,0 +1,15 @@
+namespace Jellyfin.Plugin.JRay.Models;
+
+/// <summary>
+/// The action a <see cref="MediaPolicyRule"/> applies to matching items.
+/// A given scope+value can hold at most one action at a time, so an item
+/// can never be both prioritised and ignored by the same target.
+/// </summary>
+public enum PolicyAction
+{
+    /// <summary>Push matching items to the front of the work queue.</summary>
+    Prioritise,
+
+    /// <summary>Exclude matching items from the work queue entirely.</summary>
+    Ignore
+}

Jellyfin.Plugin.JRay/Models/PolicyScope.cs

@@ -0,0 +1,18 @@
+namespace Jellyfin.Plugin.JRay.Models;
+
+/// <summary>
+/// The scope a <see cref="MediaPolicyRule"/> targets. More specific scopes
+/// override broader ones when resolving an item's effective policy
+/// (Item &gt; Series &gt; Genre).
+/// </summary>
+public enum PolicyScope
+{
+    /// <summary>Matches every item that carries a given genre.</summary>
+    Genre,
+
+    /// <summary>Matches every episode of a given series (by series id).</summary>
+    Series,
+
+    /// <summary>Matches a single library item (by item id).</summary>
+    Item
+}

Jellyfin.Plugin.JRay/ServiceRegistrator.cs

@@ -16,5 +16,6 @@ public class ServiceRegistrator : IPluginServiceRegistrator
     {
         serviceCollection.AddSingleton<IManagedTruthStore, ManagedTruthStore>();
         serviceCollection.AddSingleton<ITruthDataService, TruthDataService>();
+        serviceCollection.AddSingleton<IMediaPolicyStore, MediaPolicyStore>();
     }
 }

Jellyfin.Plugin.JRay/Services/Interfaces/IMediaPolicyStore.cs

@@ -0,0 +1,34 @@
+using System.Collections.Generic;
+using Jellyfin.Plugin.JRay.Models;
+
+namespace Jellyfin.Plugin.JRay.Services.Interfaces;
+
+/// <summary>
+/// Stores the prioritise/ignore rules that shape the work-discovery API
+/// (<c>GET /Plugins/JRay/Tasks/Pending</c>). Rules can target a genre, a
+/// series, or a single item; more specific scopes override broader ones.
+/// </summary>
+public interface IMediaPolicyStore
+{
+    /// <summary>
+    /// Gets all currently configured rules.
+    /// </summary>
+    /// <returns>The list of rules (a copy; safe to enumerate).</returns>
+    IReadOnlyList<MediaPolicyRule> GetRules();
+
+    /// <summary>
+    /// Adds or replaces the rule for a given scope+value. If a rule already
+    /// exists for the same scope and value, its action and label are updated,
+    /// so a target can never hold two conflicting actions.
+    /// </summary>
+    /// <param name="rule">The rule to set.</param>
+    void SetRule(MediaPolicyRule rule);
+
+    /// <summary>
+    /// Removes the rule matching the given scope and value, if present.
+    /// </summary>
+    /// <param name="scope">The scope of the rule to remove.</param>
+    /// <param name="value">The value of the rule to remove.</param>
+    /// <returns><c>true</c> if a rule was removed.</returns>
+    bool RemoveRule(PolicyScope scope, string value);
+}

Jellyfin.Plugin.JRay/Services/MediaPolicyStore.cs

@@ -0,0 +1,139 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Text.Json;
+using System.Text.Json.Serialization;
+using Jellyfin.Plugin.JRay.Models;
+using Jellyfin.Plugin.JRay.Services.Interfaces;
+using MediaBrowser.Common.Configuration;
+using Microsoft.Extensions.Logging;
+
+namespace Jellyfin.Plugin.JRay.Services;
+
+/// <summary>
+/// Persists the prioritise/ignore rules to a single JSON file under the
+/// plugin's configuration directory, and keeps an in-memory copy for fast
+/// reads. All access is synchronised so the work-discovery API and the
+/// config page can touch it concurrently.
+/// </summary>
+public sealed class MediaPolicyStore : IMediaPolicyStore
+{
+    private static readonly JsonSerializerOptions JsonOptions = new(JsonSerializerDefaults.Web)
+    {
+        WriteIndented = true,
+        Converters = { new JsonStringEnumConverter() }
+    };
+
+    private readonly IApplicationPaths _applicationPaths;
+    private readonly ILogger<MediaPolicyStore> _logger;
+    private readonly object _gate = new();
+    private List<MediaPolicyRule>? _rules;
+
+    /// <summary>
+    /// Initializes a new instance of the <see cref="MediaPolicyStore"/> class.
+    /// </summary>
+    /// <param name="applicationPaths">The Jellyfin application paths.</param>
+    /// <param name="logger">The logger.</param>
+    public MediaPolicyStore(IApplicationPaths applicationPaths, ILogger<MediaPolicyStore> logger)
+    {
+        _applicationPaths = applicationPaths;
+        _logger = logger;
+    }
+
+    /// <inheritdoc />
+    public IReadOnlyList<MediaPolicyRule> GetRules()
+    {
+        lock (_gate)
+        {
+            return EnsureLoaded().ToList();
+        }
+    }
+
+    /// <inheritdoc />
+    public void SetRule(MediaPolicyRule rule)
+    {
+        ArgumentNullException.ThrowIfNull(rule);
+
+        lock (_gate)
+        {
+            var rules = EnsureLoaded();
+            rules.RemoveAll(r => r.Scope == rule.Scope && ValueEquals(r.Value, rule.Value));
+            rules.Add(rule);
+            Save(rules);
+        }
+    }
+
+    /// <inheritdoc />
+    public bool RemoveRule(PolicyScope scope, string value)
+    {
+        lock (_gate)
+        {
+            var rules = EnsureLoaded();
+            var removed = rules.RemoveAll(r => r.Scope == scope && ValueEquals(r.Value, value));
+            if (removed > 0)
+            {
+                Save(rules);
+                return true;
+            }
+
+            return false;
+        }
+    }
+
+    private static bool ValueEquals(string a, string b)
+    {
+        // Genre names are matched case-insensitively; ids happen to be
+        // case-insensitive too (GUID strings), so a single comparison suffices.
+        return string.Equals(a, b, StringComparison.OrdinalIgnoreCase);
+    }
+
+    private List<MediaPolicyRule> EnsureLoaded()
+    {
+        if (_rules is not null)
+        {
+            return _rules;
+        }
+
+        var path = GetPath();
+        if (!File.Exists(path))
+        {
+            _rules = new List<MediaPolicyRule>();
+            return _rules;
+        }
+
+        try
+        {
+            using var stream = File.OpenRead(path);
+            _rules = JsonSerializer.Deserialize<List<MediaPolicyRule>>(stream, JsonOptions)
+                     ?? new List<MediaPolicyRule>();
+        }
+        catch (Exception ex) when (ex is IOException or JsonException)
+        {
+            _logger.LogWarning(ex, "JRay: failed to read media policy file {Path}; starting empty", path);
+            _rules = new List<MediaPolicyRule>();
+        }
+
+        return _rules;
+    }
+
+    private void Save(List<MediaPolicyRule> rules)
+    {
+        var path = GetPath();
+        var directory = Path.GetDirectoryName(path) ?? throw new InvalidOperationException("Media policy path has no directory.");
+        Directory.CreateDirectory(directory);
+
+        var tempPath = path + ".tmp";
+        using (var stream = File.Create(tempPath))
+        {
+            JsonSerializer.Serialize(stream, rules, JsonOptions);
+        }
+
+        File.Move(tempPath, path, overwrite: true);
+    }
+
+    private string GetPath()
+    {
+        return Path.Combine(_applicationPaths.PluginConfigurationsPath, "JRay", "policy.json");
+    }
+}

Jellyfin.Plugin.JRay/Services/PolicyResolver.cs

@@ -0,0 +1,84 @@
+using System;
+using System.Collections.Generic;
+using Jellyfin.Plugin.JRay.Models;
+
+namespace Jellyfin.Plugin.JRay.Services;
+
+/// <summary>
+/// Resolves the effective prioritise/ignore action for an item from the
+/// configured rules. More specific scopes win: an Item rule overrides a
+/// Series rule, which overrides a Genre rule. Because a given scope+value can
+/// hold only one action, the only conflicts possible are across scopes, and
+/// specificity resolves those.
+/// </summary>
+public static class PolicyResolver
+{
+    /// <summary>
+    /// Computes the effective action for an item, or <c>null</c> if no rule matches.
+    /// </summary>
+    /// <param name="rules">The configured rules.</param>
+    /// <param name="itemId">The item's id.</param>
+    /// <param name="seriesId">The item's series id, or <see cref="Guid.Empty"/> if it is not an episode.</param>
+    /// <param name="genres">The item's genres.</param>
+    /// <returns>The effective <see cref="PolicyAction"/>, or <c>null</c> when unruled.</returns>
+    public static PolicyAction? Resolve(
+        IReadOnlyList<MediaPolicyRule> rules,
+        Guid itemId,
+        Guid seriesId,
+        IReadOnlyList<string> genres)
+    {
+        ArgumentNullException.ThrowIfNull(rules);
+
+        PolicyAction? itemAction = null;
+        PolicyAction? seriesAction = null;
+        PolicyAction? genreAction = null;
+
+        var itemIdStr = itemId.ToString("D");
+        var seriesIdStr = seriesId == Guid.Empty ? null : seriesId.ToString("D");
+
+        foreach (var rule in rules)
+        {
+            switch (rule.Scope)
+            {
+                case PolicyScope.Item:
+                    if (string.Equals(rule.Value, itemIdStr, StringComparison.OrdinalIgnoreCase))
+                    {
+                        itemAction = rule.Action;
+                    }
+
+                    break;
+
+                case PolicyScope.Series:
+                    if (seriesIdStr is not null && string.Equals(rule.Value, seriesIdStr, StringComparison.OrdinalIgnoreCase))
+                    {
+                        seriesAction = rule.Action;
+                    }
+
+                    break;
+
+                case PolicyScope.Genre:
+                    if (genres is not null && MatchesGenre(genres, rule.Value))
+                    {
+                        genreAction = rule.Action;
+                    }
+
+                    break;
+            }
+        }
+
+        return itemAction ?? seriesAction ?? genreAction;
+    }
+
+    private static bool MatchesGenre(IReadOnlyList<string> genres, string value)
+    {
+        for (var i = 0; i < genres.Count; i++)
+        {
+            if (string.Equals(genres[i], value, StringComparison.OrdinalIgnoreCase))
+            {
+                return true;
+            }
+        }
+
+        return false;
+    }
+}