Objective hierarchy

Decisions should be ranked and linked.
3 types of objectives are possible:
- Strategic
- Fundamental
- Means
Value measures can be associated to these objective.

Possible visualizations include

or

An equivalent diagram is also possible for avoiding duplicating objectives at one layer impacting several objectives at the layer above. Notice several measures can be associated to an objective.

Ranking, weighting, and scaling objectives is also important. Possible visualization is

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Objective | Rank | Weight | Normalized | Scale
-- | -- | -- | -- | --
Safety | 1 | 100 | 40 | Constructed
Profit | 2 | 90 | 36 | NPV/USD
First Oil | 3 | 40 | 16 | Year
Reserves | 4 | 20 | 8 | mmbo
  | Sum | 250 | 100 |  

The issue provides diagrams and a proposed objective model but names no files, tests, or API entry points. Start by identifying the existing decision, objective, and value-measure models, then clarify the intended hierarchy, ranking, weighting, scaling, visualizations, and acceptance criteria before implementation.

Written by the indexing model from the issue text.