Admin UI: Fetch task logs (#7114)

* show task details

* loading tasks

* task UI works

* generic rendering

* rendering the export link

* removing placementConflicts from task parameters

* remove TaskSourceLocation

* remove "Server ID" column

* rendering balance task source

* sources and targets

* fix ec task generation

* move info

* render timeline

* simplified worker id

* simplify

* read task logs from worker

* isValidTaskID

* address comments

* Update weed/worker/tasks/balance/execution.go

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* Update weed/worker/tasks/erasure_coding/ec_task.go

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* Update weed/worker/tasks/task_log_handler.go

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* fix shard ids

* plan distributing shard id

* rendering planned shards in task details

* remove Conflicts

* worker logs correctly

* pass in dc and rack

* task logging

* Update weed/admin/maintenance/maintenance_queue.go

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

* display log details

* logs have fields now

* sort field keys

* fix link

* fix collection filtering

* avoid hard coded ec shard counts

---------

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

weed/admin/view/app/task_config_schema.templ

@@ -10,6 +10,7 @@ import (
     "github.com/seaweedfs/seaweedfs/weed/worker/tasks"
     "github.com/seaweedfs/seaweedfs/weed/admin/config"
     "github.com/seaweedfs/seaweedfs/weed/admin/view/components"
+    "github.com/seaweedfs/seaweedfs/weed/storage/erasure_coding"
 )
 
 // Helper function to convert task schema to JSON string
@@ -114,7 +115,7 @@ templ TaskConfigSchema(data *maintenance.TaskConfigData, schema *tasks.TaskConfi
                             } else if schema.TaskName == "erasure_coding" {
                                 <h6 class="alert-heading">Erasure Coding Operations:</h6>
                                 <p class="mb-2"><strong>Performance:</strong> Erasure coding is CPU and I/O intensive. Consider running during off-peak hours.</p>
-                                <p class="mb-2"><strong>Durability:</strong> With 10+4 configuration, can tolerate up to 4 shard failures.</p>
+                                <p class="mb-2"><strong>Durability:</strong> With { fmt.Sprintf("%d+%d", erasure_coding.DataShardsCount, erasure_coding.ParityShardsCount) } configuration, can tolerate up to { fmt.Sprintf("%d", erasure_coding.ParityShardsCount) } shard failures.</p>
                                 <p class="mb-0"><strong>Configuration:</strong> Fullness ratio should be between 0.5 and 1.0 (e.g., 0.90 for 90%).</p>
                             }
                         </div>