Merge branch 'fix/t18-live-detection-chain' into develop (#18)

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

package-lock.json

@@ -23,6 +23,9 @@
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                 "xml2js": "^0.6.2"
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@@ -175,6 +178,16 @@
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+            "license": "MIT",
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@@ -182,6 +195,14 @@
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-            "license": "MIT",
+            "devOptional": true,
-            "optional": true
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+            "license": "MIT"
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+            "dev": true,
+            "license": "MIT",
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+            "dev": true,
+            "license": "MIT",
+            "dependencies": {
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+                "whatwg-mimetype": "^3.0.0",
+                "whatwg-url": "^12.0.0"
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@@ -475,6 +544,13 @@
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+            "license": "MIT"
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@@ -499,6 +575,16 @@
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+        "node_modules/delayed-stream": {
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+            "resolved": "https://registry.npmjs.org/delayed-stream/-/delayed-stream-1.0.0.tgz",
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+            "dev": true,
+            "license": "MIT",
+            "engines": {
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+            }
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@@ -527,6 +613,20 @@
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+        "node_modules/domexception": {
+            "version": "4.0.0",
+            "resolved": "https://registry.npmjs.org/domexception/-/domexception-4.0.0.tgz",
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+            "deprecated": "Use your platform's native DOMException instead",
+            "dev": true,
+            "license": "MIT",
+            "dependencies": {
+                "webidl-conversions": "^7.0.0"
+            },
+            "engines": {
+                "node": ">=12"
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@@ -586,6 +686,19 @@
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             }
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+        "node_modules/entities": {
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+            "resolved": "https://registry.npmjs.org/entities/-/entities-6.0.1.tgz",
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+            "dev": true,
+            "license": "BSD-2-Clause",
+            "engines": {
+                "node": ">=0.12"
+            },
+            "funding": {
+                "url": "https://github.com/fb55/entities?sponsor=1"
+            }
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@@ -626,6 +739,22 @@
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+        "node_modules/es-set-tostringtag": {
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@@ -756,6 +885,23 @@
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@@ -856,10 +1002,26 @@
                 "url": "https://github.com/sponsors/ljharb"
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+            "engines": {
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+            },
+            "funding": {
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@@ -868,6 +1030,19 @@
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@@ -888,6 +1063,46 @@
                 "url": "https://opencollective.com/express"
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+            "license": "MIT",
+            "dependencies": {
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+                "agent-base": "6",
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+            "version": "7.3.0",
+            "resolved": "https://registry.npmjs.org/parse5/-/parse5-7.3.0.tgz",
+            "integrity": "sha512-IInvU7fabl34qmi9gY8XOVxhYyMyuH2xUNpb2q8/Y+7552KlejkRvqvD19nMoUW/uQGGbqNpA6Tufu5FL5BZgw==",
+            "dev": true,
+            "license": "MIT",
+            "dependencies": {
+                "entities": "^6.0.0"
+            },
+            "funding": {
+                "url": "https://github.com/inikulin/parse5?sponsor=1"
+            }
+        },
         "node_modules/parseurl": {
             "version": "1.3.3",
             "resolved": "https://registry.npmjs.org/parseurl/-/parseurl-1.3.3.tgz",
@@ -1397,6 +1682,19 @@
                 "node": ">= 0.10"
             }
         },
+        "node_modules/psl": {
+            "version": "1.15.0",
+            "resolved": "https://registry.npmjs.org/psl/-/psl-1.15.0.tgz",
+            "integrity": "sha512-JZd3gMVBAVQkSs6HdNZo9Sdo0LNcQeMNP3CozBJb3JYC/QUYZTnKxP+f8oWRX4rHP5EurWxqAHTSwUCjlNKa1w==",
+            "dev": true,
+            "license": "MIT",
+            "dependencies": {
+                "punycode": "^2.3.1"
+            },
+            "funding": {
+                "url": "https://github.com/sponsors/lupomontero"
+            }
+        },
         "node_modules/pump": {
             "version": "3.0.3",
             "resolved": "https://registry.npmjs.org/pump/-/pump-3.0.3.tgz",
@@ -1407,6 +1705,16 @@
                 "once": "^1.3.1"
             }
         },
+        "node_modules/punycode": {
+            "version": "2.3.1",
+            "resolved": "https://registry.npmjs.org/punycode/-/punycode-2.3.1.tgz",
+            "integrity": "sha512-vYt7UD1U9Wg6138shLtLOvdAu+8DsC/ilFtEVHcH+wydcSpNE20AfSOduf6MkRFahL5FY7X1oU7nKVZFtfq8Fg==",
+            "dev": true,
+            "license": "MIT",
+            "engines": {
+                "node": ">=6"
+            }
+        },
         "node_modules/qs": {
             "version": "6.14.0",
             "resolved": "https://registry.npmjs.org/qs/-/qs-6.14.0.tgz",
@@ -1422,6 +1730,13 @@
                 "url": "https://github.com/sponsors/ljharb"
             }
         },
+        "node_modules/querystringify": {
+            "version": "2.2.0",
+            "resolved": "https://registry.npmjs.org/querystringify/-/querystringify-2.2.0.tgz",
+            "integrity": "sha512-FIqgj2EUvTa7R50u0rGsyTftzjYmv/a3hO345bZNrqabNqjtgiDMgmo4mkUjd+nzU5oF3dClKqFIPUKybUyqoQ==",
+            "dev": true,
+            "license": "MIT"
+        },
         "node_modules/random-bytes": {
             "version": "1.0.0",
             "resolved": "https://registry.npmjs.org/random-bytes/-/random-bytes-1.0.0.tgz",
@@ -1484,6 +1799,20 @@
                 "node": ">= 6"
             }
         },
+        "node_modules/requires-port": {
+            "version": "1.0.0",
+            "resolved": "https://registry.npmjs.org/requires-port/-/requires-port-1.0.0.tgz",
+            "integrity": "sha512-KigOCHcocU3XODJxsu8i/j8T9tzT4adHiecwORRQ0ZZFcp7ahwXuRU1m+yuO90C5ZUyGeGfocHDI14M3L3yDAQ==",
+            "dev": true,
+            "license": "MIT"
+        },
+        "node_modules/rrweb-cssom": {
+            "version": "0.6.0",
+            "resolved": "https://registry.npmjs.org/rrweb-cssom/-/rrweb-cssom-0.6.0.tgz",
+            "integrity": "sha512-APM0Gt1KoXBz0iIkkdB/kfvGOwC4UuJFeG/c+yV7wSc7q96cG/kJ0HiYCnzivD9SB53cLV1MlHFNfOuPaadYSw==",
+            "dev": true,
+            "license": "MIT"
+        },
         "node_modules/safe-buffer": {
             "version": "5.2.1",
             "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.1.tgz",
@@ -1516,6 +1845,19 @@
             "integrity": "sha512-yqYn1JhPczigF94DMS+shiDMjDowYO6y9+wB/4WgO0Y19jWYk0lQ4tuG5KI7kj4FTp1wxPj5IFfcrz/s1c3jjQ==",
             "license": "BlueOak-1.0.0"
         },
+        "node_modules/saxes": {
+            "version": "6.0.0",
+            "resolved": "https://registry.npmjs.org/saxes/-/saxes-6.0.0.tgz",
+            "integrity": "sha512-xAg7SOnEhrm5zI3puOOKyy1OMcMlIJZYNJY7xLBwSze0UjhPLnWfj2GF2EpT0jmzaJKIWKHLsaSSajf35bcYnA==",
+            "dev": true,
+            "license": "ISC",
+            "dependencies": {
+                "xmlchars": "^2.2.0"
+            },
+            "engines": {
+                "node": ">=v12.22.7"
+            }
+        },
         "node_modules/semver": {
             "version": "7.7.3",
             "resolved": "https://registry.npmjs.org/semver/-/semver-7.7.3.tgz",
@@ -1723,6 +2065,13 @@
                 "node": ">=0.10.0"
             }
         },
+        "node_modules/symbol-tree": {
+            "version": "3.2.4",
+            "resolved": "https://registry.npmjs.org/symbol-tree/-/symbol-tree-3.2.4.tgz",
+            "integrity": "sha512-9QNk5KwDF+Bvz+PyObkmSYjI5ksVUYtjW7AU22r2NKcfLJcXp96hkDWU3+XndOsUb+AQ9QhfzfCT2O+CNWT5Tw==",
+            "dev": true,
+            "license": "MIT"
+        },
         "node_modules/tar-fs": {
             "version": "2.1.4",
             "resolved": "https://registry.npmjs.org/tar-fs/-/tar-fs-2.1.4.tgz",
@@ -1760,6 +2109,35 @@
                 "node": ">=0.6"
             }
         },
+        "node_modules/tough-cookie": {
+            "version": "4.1.4",
+            "resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-4.1.4.tgz",
+            "integrity": "sha512-Loo5UUvLD9ScZ6jh8beX1T6sO1w2/MpCRpEP7V280GKMVUQ0Jzar2U3UJPsrdbziLEMMhu3Ujnq//rhiFuIeag==",
+            "dev": true,
+            "license": "BSD-3-Clause",
+            "dependencies": {
+                "psl": "^1.1.33",
+                "punycode": "^2.1.1",
+                "universalify": "^0.2.0",
+                "url-parse": "^1.5.3"
+            },
+            "engines": {
+                "node": ">=6"
+            }
+        },
+        "node_modules/tr46": {
+            "version": "4.1.1",
+            "resolved": "https://registry.npmjs.org/tr46/-/tr46-4.1.1.tgz",
+            "integrity": "sha512-2lv/66T7e5yNyhAAC4NaKe5nVavzuGJQVVtRYLyQ2OI8tsJ61PMLlelehb0wi2Hx6+hT/OJUWZcw8MjlSRnxvw==",
+            "dev": true,
+            "license": "MIT",
+            "dependencies": {
+                "punycode": "^2.3.0"
+            },
+            "engines": {
+                "node": ">=14"
+            }
+        },
         "node_modules/tunnel-agent": {
             "version": "0.6.0",
             "resolved": "https://registry.npmjs.org/tunnel-agent/-/tunnel-agent-0.6.0.tgz",
@@ -1804,6 +2182,16 @@
                 "node": ">= 0.8"
             }
         },
+        "node_modules/universalify": {
+            "version": "0.2.0",
+            "resolved": "https://registry.npmjs.org/universalify/-/universalify-0.2.0.tgz",
+            "integrity": "sha512-CJ1QgKmNg3CwvAv/kOFmtnEN05f0D/cn9QntgNOQlQF9dgvVTHj3t+8JPdjqawCHk7V/KA+fbUqzZ9XWhcqPUg==",
+            "dev": true,
+            "license": "MIT",
+            "engines": {
+                "node": ">= 4.0.0"
+            }
+        },
         "node_modules/unpipe": {
             "version": "1.0.0",
             "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz",
@@ -1813,6 +2201,17 @@
                 "node": ">= 0.8"
             }
         },
+        "node_modules/url-parse": {
+            "version": "1.5.10",
+            "resolved": "https://registry.npmjs.org/url-parse/-/url-parse-1.5.10.tgz",
+            "integrity": "sha512-WypcfiRhfeUP9vvF0j6rw0J3hrWrw6iZv3+22h6iRMJ/8z1Tj6XfLP4DsUix5MhMPnXpiHDoKyoZ/bdCkwBCiQ==",
+            "dev": true,
+            "license": "MIT",
+            "dependencies": {
+                "querystringify": "^2.1.1",
+                "requires-port": "^1.0.0"
+            }
+        },
         "node_modules/util-deprecate": {
             "version": "1.0.2",
             "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
@@ -1837,12 +2236,118 @@
                 "node": ">= 0.8"
             }
         },
+        "node_modules/w3c-xmlserializer": {
+            "version": "4.0.0",
+            "resolved": "https://registry.npmjs.org/w3c-xmlserializer/-/w3c-xmlserializer-4.0.0.tgz",
+            "integrity": "sha512-d+BFHzbiCx6zGfz0HyQ6Rg69w9k19nviJspaj4yNscGjrHu94sVP+aRm75yEbCh+r2/yR+7q6hux9LVtbuTGBw==",
+            "dev": true,
+            "license": "MIT",
+            "dependencies": {
+                "xml-name-validator": "^4.0.0"
+            },
+            "engines": {
+                "node": ">=14"
+            }
+        },
+        "node_modules/webidl-conversions": {
+            "version": "7.0.0",
+            "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-7.0.0.tgz",
+            "integrity": "sha512-VwddBukDzu71offAQR975unBIGqfKZpM+8ZX6ySk8nYhVoo5CYaZyzt3YBvYtRtO+aoGlqxPg/B87NGVZ/fu6g==",
+            "dev": true,
+            "license": "BSD-2-Clause",
+            "engines": {
+                "node": ">=12"
+            }
+        },
+        "node_modules/whatwg-encoding": {
+            "version": "2.0.0",
+            "resolved": "https://registry.npmjs.org/whatwg-encoding/-/whatwg-encoding-2.0.0.tgz",
+            "integrity": "sha512-p41ogyeMUrw3jWclHWTQg1k05DSVXPLcVxRTYsXUk+ZooOCZLcoYgPZ/HL/D/N+uQPOtcp1me1WhBEaX02mhWg==",
+            "deprecated": "Use @exodus/bytes instead for a more spec-conformant and faster implementation",
+            "dev": true,
+            "license": "MIT",
+            "dependencies": {
+                "iconv-lite": "0.6.3"
+            },
+            "engines": {
+                "node": ">=12"
+            }
+        },
+        "node_modules/whatwg-encoding/node_modules/iconv-lite": {
+            "version": "0.6.3",
+            "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.6.3.tgz",
+            "integrity": "sha512-4fCk79wshMdzMp2rH06qWrJE4iolqLhCUH+OiuIgU++RB0+94NlDL81atO7GX55uUKueo0txHNtvEyI6D7WdMw==",
+            "dev": true,
+            "license": "MIT",
+            "dependencies": {
+                "safer-buffer": ">= 2.1.2 < 3.0.0"
+            },
+            "engines": {
+                "node": ">=0.10.0"
+            }
+        },
+        "node_modules/whatwg-mimetype": {
+            "version": "3.0.0",
+            "resolved": "https://registry.npmjs.org/whatwg-mimetype/-/whatwg-mimetype-3.0.0.tgz",
+            "integrity": "sha512-nt+N2dzIutVRxARx1nghPKGv1xHikU7HKdfafKkLNLindmPU/ch3U31NOCGGA/dmPcmb1VlofO0vnKAcsm0o/Q==",
+            "dev": true,
+            "license": "MIT",
+            "engines": {
+                "node": ">=12"
+            }
+        },
+        "node_modules/whatwg-url": {
+            "version": "12.0.1",
+            "resolved": "https://registry.npmjs.org/whatwg-url/-/whatwg-url-12.0.1.tgz",
+            "integrity": "sha512-Ed/LrqB8EPlGxjS+TrsXcpUond1mhccS3pchLhzSgPCnTimUCKj3IZE75pAs5m6heB2U2TMerKFUXheyHY+VDQ==",
+            "dev": true,
+            "license": "MIT",
+            "dependencies": {
+                "tr46": "^4.1.1",
+                "webidl-conversions": "^7.0.0"
+            },
+            "engines": {
+                "node": ">=14"
+            }
+        },
         "node_modules/wrappy": {
             "version": "1.0.2",
             "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
             "integrity": "sha512-l4Sp/DRseor9wL6EvV2+TuQn63dMkPjZ/sp9XkghTEbV9KlPS1xUsZ3u7/IQO4wxtcFB4bgpQPRcR3QCvezPcQ==",
             "license": "ISC"
         },
+        "node_modules/ws": {
+            "version": "8.22.0",
+            "resolved": "https://registry.npmjs.org/ws/-/ws-8.22.0.tgz",
+            "integrity": "sha512-Ydggc987+RO0AnWtZ/7Wq9FtNvcrL1b/RO0ud9mWjUPgDrsAAwQSF51sm2hm1XofbU/4jkpGEsLFsZZxU+1DOg==",
+            "dev": true,
+            "license": "MIT",
+            "engines": {
+                "node": ">=10.0.0"
+            },
+            "peerDependencies": {
+                "bufferutil": "^4.0.1",
+                "utf-8-validate": ">=5.0.2"
+            },
+            "peerDependenciesMeta": {
+                "bufferutil": {
+                    "optional": true
+                },
+                "utf-8-validate": {
+                    "optional": true
+                }
+            }
+        },
+        "node_modules/xml-name-validator": {
+            "version": "4.0.0",
+            "resolved": "https://registry.npmjs.org/xml-name-validator/-/xml-name-validator-4.0.0.tgz",
+            "integrity": "sha512-ICP2e+jsHvAj2E2lIHxa5tjXRlKDJo4IdvPvCXbXQGdzSfmSpNVyIKMvoZHjDY9DP0zV17iI85o90vRFXNccRw==",
+            "dev": true,
+            "license": "Apache-2.0",
+            "engines": {
+                "node": ">=12"
+            }
+        },
         "node_modules/xml2js": {
             "version": "0.6.2",
             "resolved": "https://registry.npmjs.org/xml2js/-/xml2js-0.6.2.tgz",
@@ -1864,6 +2369,13 @@
             "engines": {
                 "node": ">=4.0"
             }
+        },
+        "node_modules/xmlchars": {
+            "version": "2.2.0",
+            "resolved": "https://registry.npmjs.org/xmlchars/-/xmlchars-2.2.0.tgz",
+            "integrity": "sha512-JZnDKK8B0RCDw84FNdDAIpZK+JuJw+s7Lz8nksI7SIuU3UXJJslUthsi+uWBUYOwPFwW7W7PRLRfUKpxjtjFCw==",
+            "dev": true,
+            "license": "MIT"
         }
     }
 }

package.json

@@ -29,5 +29,8 @@
     },
     "engines": {
         "node": ">=18.0.0"
+    },
+    "devDependencies": {
+        "jsdom": "^22.1.0"
     }
 }

public/js/components/ChannelList.js

@@ -906,6 +906,13 @@ class ChannelList {
         this.isLoading = true;
         this.currentRenderId = null; // Reset render tracking
 
+        const previousState = {
+            channels: this.channels,
+            groups: this.groups,
+            visibleFavorites: this.visibleFavorites,
+            hiddenItems: this.hiddenItems
+        };
+
         const sourceValue = this.sourceSelect.value;
         const self = this;
 
@@ -943,7 +950,15 @@ class ChannelList {
             void this.refreshLayaLanguages();
         } catch (err) {
             console.error('Error loading channels:', err);
+            if (previousState.channels.length > 0) {
+                this.channels = previousState.channels;
+                this.groups = previousState.groups;
+                this.visibleFavorites = previousState.visibleFavorites;
+                this.hiddenItems = previousState.hiddenItems;
+                this.render();
+            } else {
                 this.container.innerHTML = `<div class="empty-state"><p>Error loading channels</p><p class="hint">${err.message}</p></div>`;
+            }
         } finally {
             this.isLoading = false;
         }
@@ -953,6 +968,12 @@ class ChannelList {
      * Load channels from all enabled sources
      */
     async loadAllChannels() {
+        const previousState = {
+            channels: this.channels,
+            groups: this.groups,
+            visibleFavorites: this.visibleFavorites,
+            hiddenItems: this.hiddenItems
+        };
         this.channels = [];
         this.groups = [];
 
@@ -985,6 +1006,15 @@ class ChannelList {
             void this.refreshLayaLanguages();
         } catch (err) {
             console.error('Error loading all channels:', err);
+            if (previousState.channels.length > 0) {
+                this.channels = previousState.channels;
+                this.groups = previousState.groups;
+                this.visibleFavorites = previousState.visibleFavorites;
+                this.hiddenItems = previousState.hiddenItems;
+                this.render();
+            } else {
+                this.container.innerHTML = `<div class="empty-state"><p>Error loading channels</p><p class="hint">${err.message}</p></div>`;
+            }
         }
     }
 

public/js/services/liveChannelProjection.js

@@ -43,7 +43,17 @@
     }
 
     function canUse(response) {
-        return Boolean(response && Array.isArray(response.channels) && !response.projection?.stale);
+        if (!response || !Array.isArray(response.channels) || response.projection?.stale) return false;
+
+        const projection = response.projection || {};
+        const expectedChannelCount = [
+            projection.total,
+            projection.processed,
+            projection.catalogCount,
+            projection.sourceChannelCount
+        ].some(count => Number(count) > 0);
+
+        return response.channels.length > 0 || !expectedChannelCount;
     }
 
     return { canUse, mapResponse };

server/routes/live.js

@@ -5,9 +5,10 @@ const liveProjection = require('../services/liveProjectionService');
 const router = express.Router();
 
 function serializeState(state) {
+    const emptyProjectionWithLiveInput = state.total_count > 0 && state.projected_count === 0;
     return {
         status: state.status,
-        stale: state.status !== 'success',
+        stale: state.status !== 'success' || emptyProjectionWithLiveInput,
         startedAt: state.started_at,
         completedAt: state.completed_at,
         inputHash: state.input_hash,

test/liveAnalysisUserFlowDom.test.js

@@ -0,0 +1,257 @@
+const test = require('node:test');
+const assert = require('node:assert/strict');
+const fs = require('node:fs');
+const path = require('node:path');
+const { JSDOM } = require('jsdom');
+
+const root = path.resolve(__dirname, '..');
+
+function readPublicScript(relativePath, exposeGlobal = '') {
+    const source = fs.readFileSync(path.join(root, 'public', relativePath), 'utf8');
+    return exposeGlobal ? `${source}\nwindow.${exposeGlobal} = ${exposeGlobal};` : source;
+}
+
+function createDom() {
+    const dom = new JSDOM(`<!doctype html>
+        <input id="channel-search">
+        <select id="source-select"><option value="">All Sources</option></select>
+        <input id="show-hidden" type="checkbox">
+        <button id="toggle-groups" type="button"></button>
+        <div id="context-menu"></div>
+        <div id="channel-list"></div>
+
+        <button type="button" id="live-analysis-button">Analyze channels</button>
+        <div id="live-analysis-status" role="status"></div>
+        <div id="live-analysis-progress" hidden>
+          <div id="live-analysis-progress-track"><span id="live-analysis-progress-bar"></span></div>
+          <div id="live-analysis-progress-text"></div>
+        </div>
+        <div id="live-analysis-fallback"></div>
+        <button type="button" id="live-analysis-details-toggle" hidden></button>
+        <pre id="live-analysis-error-details" hidden></pre>
+    `, {
+        url: 'http://nodecast.test/',
+        runScripts: 'outside-only',
+        pretendToBeVisual: true
+    });
+    const { window } = dom;
+    window.clearInterval = window.clearInterval.bind(window);
+    window.IntersectionObserver = class {
+        observe() {}
+        disconnect() {}
+    };
+    window.console = console;
+    window.eval(readPublicScript('js/icons.js'));
+    window.eval(readPublicScript('js/services/channelLanguageDetection.js'));
+    window.eval(readPublicScript('js/services/channelLanguageFusion.js'));
+    window.eval(readPublicScript('js/services/channelVariantGrouping.js'));
+    window.eval(readPublicScript('js/services/liveChannelProjection.js'));
+    window.eval(readPublicScript('js/services/layaStatusPresentation.js'));
+    window.eval(readPublicScript('js/services/liveAnalysisPresentation.js'));
+    window.eval(readPublicScript('js/components/ChannelList.js', 'ChannelList'));
+    window.eval(readPublicScript('js/pages/Settings.js', 'SettingsPage'));
+    return {
+        window
+    };
+}
+
+function projectedChannels() {
+    return {
+        projection: { status: 'success', stale: false },
+        channels: [{
+            id: 'logical:sports-one',
+            fingerprint: 'sports one',
+            displayName: 'Sports One',
+            variants: [
+                {
+                    id: 'fr-sd',
+                    sourceId: 1,
+                    name: '|FR| Sports One SD',
+                    groupTitle: 'Sports France',
+                    categoryName: 'Sports France',
+                    streamIcon: 'fr.png',
+                    streamUrl: 'https://streams.test/fr-sd.m3u8',
+                    tvgId: 'sports.one.fr',
+                    isFavorite: true,
+                    isHidden: false
+                },
+                {
+                    id: 'en-4k',
+                    sourceId: 1,
+                    name: '|UK| Sports One 4K',
+                    groupTitle: 'UK Sports',
+                    categoryName: 'UK Sports',
+                    streamIcon: 'en.png',
+                    streamUrl: 'https://streams.test/en-4k.m3u8',
+                    tvgId: 'sports.one.uk',
+                    isFavorite: false,
+                    isHidden: false
+                }
+            ]
+        }]
+    };
+}
+
+test('user analysis click keeps visible channels after Local AI language failure', async () => {
+    const { window } = createDom();
+    let rebuildClicked = 0;
+    let layaBatchCalls = 0;
+    let channelLoads = 0;
+    const consoleWarnings = [];
+    window.console = {
+        ...console,
+        warn: (...args) => {
+            consoleWarnings.push(args.join(' '));
+            console.warn(...args);
+        }
+    };
+    window.API = {
+        live: {
+            getChannels: async () => {
+                channelLoads += 1;
+                return projectedChannels();
+            },
+            rebuildProjection: async () => {
+                rebuildClicked += 1;
+                return { projection: { status: 'building', processed: 0, total: 2 } };
+            },
+            getProjectionStatus: async () => ({ status: 'success', processed: 2, total: 2, projectedCount: 1 })
+        },
+        laya: {
+            getStatus: async () => ({ modelPresent: true, runtimeAvailable: true }),
+            detectLanguages: async () => {
+                layaBatchCalls += 1;
+                throw new Error('simulated local AI language failure');
+            }
+        }
+    };
+
+    const app = {
+        player: {
+            settings: { liveChannelListMode: 'grouped', languageDetectionMode: 'algo' },
+            saveSettings() {}
+        },
+        epgGuide: null,
+        navigateTo() {},
+        pages: { settings: { switchTab() {} } }
+    };
+    window.app = app;
+    const channelList = new window.ChannelList();
+    channelList.sources = [{ id: 1, type: 'm3u', name: 'Fixture Provider' }];
+    app.channelList = channelList;
+
+    await channelList.loadChannels();
+    channelList.expandAll();
+    const beforeNames = [...window.document.querySelectorAll('.channel-name')].map(item => item.textContent);
+    assert.deepEqual(beforeNames, ['Sports One', 'Sports One']);
+    assert.equal(window.document.querySelector('.empty-state'), null);
+
+    app.player.settings.languageDetectionMode = 'hybrid';
+    const settingsPage = Object.create(window.SettingsPage.prototype);
+    settingsPage.app = app;
+    settingsPage.initLiveAnalysis();
+    await Promise.resolve();
+
+    window.document.getElementById('live-analysis-button').click();
+    assert.equal(rebuildClicked, 1);
+    await new Promise(resolve => setTimeout(resolve, 1100));
+    channelList.expandAll();
+    window.clearInterval(channelList._epgRefreshTimer);
+    window.clearInterval(settingsPage.liveAnalysisPollTimer);
+
+    const notice = window.document.querySelector('.laya-language-notice');
+    const afterNames = [...window.document.querySelectorAll('.channel-name')].map(item => item.textContent);
+    const languageBadges = [...window.document.querySelectorAll('.variant-language')].map(item => item.textContent);
+    const groupNames = [...window.document.querySelectorAll('.group-name')].map(item => item.textContent);
+
+    assert.equal(channelLoads, 2);
+    assert.equal(layaBatchCalls, 1);
+    assert.ok(notice);
+    assert.match(notice.textContent, /Local AI language detection failed/);
+    assert.deepEqual(afterNames, ['Sports One', 'Sports One']);
+    assert.deepEqual([...new Set(languageBadges)].sort(), ['EN 100%', 'FR 100%']);
+    assert.deepEqual(groupNames, ['Favorites', 'Sports France']);
+    assert.equal(window.document.querySelector('.empty-state'), null);
+    assert.equal(window.document.querySelector('#channel-list > .loading'), null);
+    assert.equal(channelList.languageDetectionFallback, true);
+    assert.equal(channelList.logicalChannels[0].variants.length, 2);
+    assert.ok(consoleWarnings.some(line => line.includes('Local AI language detection unavailable')));
+});
+
+test('analysis click does not replace visible channels with an empty successful projection', async () => {
+    const { window } = createDom();
+    let rebuildClicked = 0;
+    let channelLoads = 0;
+    window.API = {
+        live: {
+            getChannels: async () => {
+                channelLoads += 1;
+                if (channelLoads === 1) return projectedChannels();
+                return {
+                    projection: {
+                        status: 'success',
+                        stale: false,
+                        projectedCount: 0,
+                        processed: 3,
+                        total: 3
+                    },
+                    channels: []
+                };
+            },
+            rebuildProjection: async () => {
+                rebuildClicked += 1;
+                return { projection: { status: 'building', processed: 0, total: 3 } };
+            },
+            getProjectionStatus: async () => ({ status: 'success', processed: 3, total: 3, projectedCount: 0 })
+        },
+        laya: {
+            getStatus: async () => ({ modelPresent: true, runtimeAvailable: true }),
+            detectLanguages: async () => {
+                throw new Error('simulated local AI language failure');
+            }
+        }
+    };
+
+    const app = {
+        player: {
+            settings: { liveChannelListMode: 'grouped', languageDetectionMode: 'hybrid' },
+            saveSettings() {}
+        },
+        epgGuide: null,
+        navigateTo() {},
+        pages: { settings: { switchTab() {} } }
+    };
+    window.app = app;
+    const channelList = new window.ChannelList();
+    channelList.sources = [{ id: 1, type: 'm3u', name: 'Fixture Provider', enabled: true }];
+    app.channelList = channelList;
+
+    await channelList.loadChannels();
+    channelList.expandAll();
+    const beforeNames = [...window.document.querySelectorAll('.channel-name')].map(item => item.textContent);
+    assert.deepEqual(beforeNames, ['Sports One', 'Sports One']);
+    assert.equal(window.document.querySelector('.empty-state'), null);
+    assert.equal(channelLoads, 1);
+
+    const settingsPage = Object.create(window.SettingsPage.prototype);
+    settingsPage.app = app;
+    settingsPage.initLiveAnalysis();
+    await Promise.resolve();
+
+    window.document.getElementById('live-analysis-button').click();
+    assert.equal(rebuildClicked, 1);
+    await new Promise(resolve => setTimeout(resolve, 1100));
+    channelList.expandAll();
+    window.clearInterval(channelList._epgRefreshTimer);
+    window.clearInterval(settingsPage.liveAnalysisPollTimer);
+
+    const afterNames = [...window.document.querySelectorAll('.channel-name')].map(item => item.textContent);
+    const emptyState = window.document.querySelector('.empty-state');
+    const loading = window.document.querySelector('#channel-list > .loading');
+
+    assert.equal(channelLoads, 2);
+    assert.deepEqual(afterNames, ['Sports One', 'Sports One']);
+    assert.equal(emptyState, null);
+    assert.equal(loading, null);
+    assert.equal(channelList.channels.length, 2);
+});

test/liveDetectionFunctionalChain.test.js

@@ -0,0 +1,166 @@
+const test = require('node:test');
+const assert = require('node:assert/strict');
+const Database = require('better-sqlite3');
+const {
+    ensureColumns,
+    LIVE_PROJECTION_COLUMNS,
+    LIVE_PROJECTION_SCHEMA_SQL
+} = require('../server/db/liveProjectionSchema');
+const liveProjection = require('../server/services/liveProjectionService');
+const frontendProjection = require('../public/js/services/liveChannelProjection.js');
+const grouping = require('../public/js/services/channelVariantGrouping.js');
+const { channelListWarning } = require('../public/js/services/layaStatusPresentation.js');
+
+function createFunctionalDb() {
+    const db = new Database(':memory:');
+    db.exec(`
+        CREATE TABLE categories (
+            id TEXT PRIMARY KEY,
+            source_id INTEGER NOT NULL,
+            category_id TEXT NOT NULL,
+            type TEXT NOT NULL,
+            name TEXT NOT NULL,
+            parent_id TEXT,
+            is_hidden INTEGER DEFAULT 0,
+            data JSON
+        );
+        CREATE TABLE playlist_items (
+            id TEXT PRIMARY KEY,
+            source_id INTEGER NOT NULL,
+            item_id TEXT NOT NULL,
+            type TEXT NOT NULL,
+            name TEXT NOT NULL,
+            category_id TEXT,
+            parent_id TEXT,
+            stream_icon TEXT,
+            stream_url TEXT,
+            container_extension TEXT,
+            rating REAL,
+            year TEXT,
+            added_at TEXT,
+            is_hidden INTEGER DEFAULT 0,
+            is_favorite INTEGER DEFAULT 0,
+            data JSON
+        );
+        CREATE TABLE favorites (
+            id INTEGER PRIMARY KEY AUTOINCREMENT,
+            user_id INTEGER NOT NULL,
+            source_id INTEGER NOT NULL,
+            item_id TEXT NOT NULL,
+            item_type TEXT NOT NULL,
+            created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
+            UNIQUE(user_id, source_id, item_id, item_type)
+        );
+    `);
+    ensureColumns(db, 'playlist_items', LIVE_PROJECTION_COLUMNS);
+    db.exec(LIVE_PROJECTION_SCHEMA_SQL);
+    return db;
+}
+
+function seedCategory(db, categoryId, name, extra = {}) {
+    db.prepare(`
+        INSERT INTO categories (id, source_id, category_id, type, name, is_hidden, data)
+        VALUES (?, 1, ?, 'live', ?, ?, '{}')
+    `).run(`1:${categoryId}`, categoryId, name, extra.isHidden ? 1 : 0);
+}
+
+function seedChannel(db, itemId, name, categoryId, extra = {}) {
+    db.prepare(`
+        INSERT INTO playlist_items
+            (id, source_id, item_id, type, name, category_id, stream_icon, stream_url, is_hidden, data)
+        VALUES (?, 1, ?, 'live', ?, ?, ?, ?, ?, ?)
+    `).run(
+        `1:${itemId}`,
+        itemId,
+        name,
+        categoryId,
+        `${itemId}.png`,
+        `https://streams.test/${itemId}.m3u8`,
+        extra.isHidden ? 1 : 0,
+        JSON.stringify({
+            tvgId: extra.tvgId || null,
+            groupTitle: extra.groupTitle || undefined
+        })
+    );
+}
+
+test('functional live detection chain keeps categories and language selection correct after Laya fallback', async () => {
+    const db = createFunctionalDb();
+    seedCategory(db, 'sports-fr', 'Sports France');
+    seedCategory(db, 'sports-uk', 'UK Sports');
+    seedCategory(db, 'events', 'Sports Events');
+    seedChannel(db, 'fr-sd', '|FR| Sports One SD', 'sports-fr', { tvgId: 'sports.one.fr' });
+    seedChannel(db, 'fr-4k-hidden', '|FR| Sports One 4K', 'sports-fr', { isHidden: true, tvgId: 'sports.one.fr.4k' });
+    seedChannel(db, 'en-4k', '|UK| Sports One 4K', 'sports-uk', { tvgId: 'sports.one.uk' });
+    seedChannel(db, 'bein-main', 'beIN Sports 1 HD', 'events');
+    seedChannel(db, 'bein-event', 'Partner beIN Sports 1 Event', 'events');
+    db.prepare(`
+        INSERT INTO favorites (user_id, source_id, item_id, item_type)
+        VALUES (7, 1, 'fr-sd', 'channel')
+    `).run();
+
+    let layaRequests = 0;
+    const state = await liveProjection.rebuildWithSignals(db, {
+        mode: 'hybrid',
+        layaClient: {
+            identityHintBatch: async () => {
+                layaRequests += 1;
+                throw new Error('simulated local AI failure');
+            }
+        }
+    });
+
+    assert.equal(layaRequests, 1);
+    assert.equal(state.status, 'success');
+    assert.equal(state.error, null);
+
+    const rawRows = db.prepare(`
+        SELECT item_id, logical_channel_id, grouping_fingerprint
+        FROM playlist_items
+        WHERE item_id IN ('fr-sd', 'fr-4k-hidden', 'en-4k')
+        ORDER BY item_id
+    `).all();
+    assert.deepEqual(rawRows.map(row => row.item_id), ['en-4k', 'fr-4k-hidden', 'fr-sd']);
+    assert.equal(new Set(rawRows.map(row => row.logical_channel_id)).size, 1);
+    assert.deepEqual([...new Set(rawRows.map(row => row.grouping_fingerprint))], ['sports one']);
+
+    const apiChannels = liveProjection.getChannels({ includeHidden: true, userId: 7 }, db);
+    const sportsOne = apiChannels.find(channel => channel.fingerprint === 'sports one');
+    assert.ok(sportsOne);
+    assert.deepEqual(
+        sportsOne.variants
+            .map(variant => [variant.id, variant.categoryName, variant.isHidden, variant.isFavorite])
+            .sort((left, right) => left[0].localeCompare(right[0])),
+        [
+            ['en-4k', 'UK Sports', false, false],
+            ['fr-4k-hidden', 'Sports France', true, false],
+            ['fr-sd', 'Sports France', false, true]
+        ]
+    );
+
+    const mapped = frontendProjection.mapResponse({
+        projection: { status: 'success', stale: false },
+        channels: apiChannels
+    }, [{ id: 1, type: 'm3u', name: 'Fixture Provider France' }]);
+    const warning = channelListWarning('hybrid', { modelPresent: true, runtimeAvailable: true }, true);
+    const logical = grouping.groupChannels(mapped.channels, {
+        languageMode: warning ? 'algo' : 'hybrid',
+        preferredLanguage: 'fr',
+        isFavorite: variant => mapped.favorites.has(`${variant.sourceId}:${variant.id}`),
+        isHidden: variant => mapped.hiddenItems.has(`channel:${variant.sourceId}:${variant.streamId || variant.id}`)
+    });
+    const frontendSportsOne = logical.find(channel => channel.fingerprint === 'sports one');
+
+    assert.equal(
+        warning,
+        'Local AI language detection failed. Channels were grouped with Standard matching and remain available.'
+    );
+    assert.ok(frontendSportsOne);
+    assert.equal(frontendSportsOne.variants.length, 3);
+    assert.deepEqual(frontendSportsOne.availableLanguages.map(language => language.code).sort(), ['en', 'fr']);
+    assert.equal(frontendSportsOne.preferredVariant.id, 'fr-sd');
+    assert.equal(frontendSportsOne.preferredVariant.groupTitle, 'Sports France');
+    assert.equal(frontendSportsOne.isFavorite, true);
+    assert.equal(frontendSportsOne.isHidden, false);
+    assert.equal(grouping.orderFlatChannels(logical).length, logical.length);
+});

test/liveProjectionRoutes.test.js

@@ -3,6 +3,7 @@ const assert = require('node:assert/strict');
 const fs = require('fs');
 const path = require('path');
 const { isAdmin } = require('../server/authz');
+const { serializeState } = require('../server/routes/live');
 
 const routeSource = fs.readFileSync(path.join(__dirname, '..', 'server', 'routes', 'live.js'), 'utf8');
 
@@ -19,3 +20,19 @@ test('projection authorization distinguishes viewer and admin roles', () => {
     assert.equal(isAdmin({ role: 'admin' }), true);
     assert.equal(isAdmin(null), false);
 });
+
+test('projection success with live input but zero projected channels is exposed as stale', () => {
+    const state = serializeState({
+        status: 'success',
+        started_at: 100,
+        completed_at: 200,
+        input_hash: 'hash',
+        projected_count: 0,
+        processed_count: 3,
+        total_count: 3,
+        error: null
+    });
+    assert.equal(state.stale, true);
+    assert.equal(state.projectedCount, 0);
+    assert.equal(state.total, 3);
+});