tutorials/neuron_nisb: richer base_banis_crop_waterz waterz sweep (25 trials, aff_threshold_high, branch_merge)

Take the expanded tuning sweep from the tune-output-decoder-name branch;
the branch's output_naming changes are superseded by master and dropped.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

Author: Donglai Wei

tutorials/neuron_nisb/base_banis_crop_waterz.yaml

@@ -29,6 +29,12 @@ default:
         dust_merge_size: 800
         dust_merge_affinity: 0.3
         dust_remove_size: 600
+        branch_merge: false
+        iou_threshold: 0.5
+        best_buddy: true
+        one_sided_threshold: 0.8
+        one_sided_min_size: 100
+        affinity_threshold: 0.0
     postprocessing:
       enabled: true
 
@@ -39,32 +45,38 @@ default:
 # ============================================================================
 tune:
   profile: tune_waterz
-  n_trials: 6
-  trial_timeout: 600
-  study_name: nisb_base_banis_crop_waterz_tuning_v2
+  n_trials: 25
+  trial_timeout: 900
+  study_name: nisb_base_banis_crop_waterz_tuning
   load_if_exists: true
   parameter_space:
     decoding:
       function_name: decode_waterz
       defaults:
         thresholds: 0.5
-        merge_function: aff50_his256
-        aff_threshold: [0.4, 0.7]
+        merge_function: aff85_his256
+        aff_threshold: [0.1, 0.999]
         edge_offset: 0
         spatial_transpose: [2, 1, 0]
         use_aff_uint8: true
       parameters:
         merge_function:
           type: categorical
-          choices: [aff75_his256, aff50_his256]
+          choices: [aff85_his256, aff75_his256, aff50_his256, aff25_his256, aff15_his256]
           description: "Agglomeration scoring function (quantile via histogram)"
         thresholds:
           type: float
-          range: [0.3, 0.9]
+          range: [0.1, 0.9]
           step: 0.1
         aff_threshold_low:
           type: float
-          range: [0.3, 0.5]
+          range: [0, 0.5]
           step: 0.1
           param_group: aff_threshold
           tuple_index: 0
+        aff_threshold_high:
+          type: float
+          range: [0.7, 1]
+          step: 0.1
+          param_group: aff_threshold
+          tuple_index: 1